12567056994 has 24 divisors (see below), whose sum is σ = 27690127920. Its totient is φ = 4118018328.

The previous prime is 12567056987. The next prime is 12567057043. The reversal of 12567056994 is 49965076521.

12567056994 is a `hidden beast` number, since 1 + 2 + 5 + 6 + 70 + 569 + 9 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 12567056994.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5915632 + ... + 5917755.

It is an arithmetic number, because the mean of its divisors is an integer number (1153755330).

Almost surely, 2^12567056994 is an apocalyptic number.

12567056994 is an abundant number, since it is smaller than the sum of its proper divisors (15123070926).

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

12567056994 is a wasteful number, since it uses less digits than its factorization.

12567056994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11833454 (or 11833451 counting only the distinct ones).

The product of its (nonzero) digits is 4082400, while the sum is 54.

The spelling of 12567056994 in words is "twelve billion, five hundred sixty-seven million, fifty-six thousand, nine hundred ninety-four".