12974568642 has 24 divisors (see below), whose sum is σ = 32127503616. Its totient is φ = 3707019576.

The previous prime is 12974568611. The next prime is 12974568701. The reversal of 12974568642 is 24686547921.

12974568642 is a `hidden beast` number, since 1 + 2 + 9 + 74 + 568 + 6 + 4 + 2 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51486258 + ... + 51486509.

It is an arithmetic number, because the mean of its divisors is an integer number (1338645984).

Almost surely, 2^12974568642 is an apocalyptic number.

12974568642 is an abundant number, since it is smaller than the sum of its proper divisors (19152934974).

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

12974568642 is a wasteful number, since it uses less digits than its factorization.

12974568642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102972782 (or 102972779 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 12974568642 in words is "twelve billion, nine hundred seventy-four million, five hundred sixty-eight thousand, six hundred forty-two".