12957079194 has 16 divisors (see below), whose sum is σ = 28793509440. Its totient is φ = 4319026380.

The previous prime is 12957079133. The next prime is 12957079237. The reversal of 12957079194 is 49197075921.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 239945911 = 12957079194 / (1 + 2 + 9 + 5 + 7 + 0 + 7 + 9 + 1 + 9 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 12957079194.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119972902 + ... + 119973009.

It is an arithmetic number, because the mean of its divisors is an integer number (1799594340).

Almost surely, 2^12957079194 is an apocalyptic number.

12957079194 is an abundant number, since it is smaller than the sum of its proper divisors (15836430246).

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

12957079194 is a wasteful number, since it uses less digits than its factorization.

12957079194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239945922 (or 239945916 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 54.

The spelling of 12957079194 in words is "twelve billion, nine hundred fifty-seven million, seventy-nine thousand, one hundred ninety-four".