Definition of trillion in Wikipedia

1000000000000 (number)

List of numbers - Integers
100000000000 1000000000000 10000000000000
Cardinal
One trillion (short scale)
One billion (long scale)
Ordinal
One trillionth (short scale)
One billionth (long scale)
Factorization
212 · 512
Binary
1110100011010100101001010001000000000000
Hexadecimal
E8D4A51000

One million million (1,000,000,000,000) is the natural number following 999,999,999,999 and preceding 1,000,000,000,001.
In scientific notation, it is written as 1012.

In modern ('short scale') English language usage it is called a trillion.
In older ('long scale') English language usage, it is called a billion (although a billion now commonly means a thousand millions (or 1,000,000,000), instead of a million millions).

Selected 13-digit numbers
1307674368000 - factorial of 15
1548008755920 - Fibonacci number
2504730781961 - Fibonacci number
4052739537881 - Fibonacci number
6557470319842 - Fibonacci number

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