12794012133920 has 48 divisors (see below), whose sum is σ = 31816688077440. Its totient is φ = 4848257228544.

The previous prime is 12794012133911. The next prime is 12794012133923. The reversal of 12794012133920 is 2933121049721.

It is not an unprimeable number, because it can be changed into a prime (12794012133923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2104275272 + ... + 2104281351.

It is an arithmetic number, because the mean of its divisors is an integer number (662847668280).

Almost surely, 2^{12794012133920} is an apocalyptic number.

12794012133920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12794012133920 is an abundant number, since it is smaller than the sum of its proper divisors (19022675943520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12794012133920 is a wasteful number, since it uses less digits than its factorization.

12794012133920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208556657 (or 4208556649 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 12794012133920 in words is "twelve trillion, seven hundred ninety-four billion, twelve million, one hundred thirty-three thousand, nine hundred twenty".