12978625962 has 64 divisors (see below), whose sum is σ = 27846633600. Its totient is φ = 4018206720.

The previous prime is 12978625903. The next prime is 12978625991. The reversal of 12978625962 is 26952687921.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6271864 + ... + 6273932.

It is an arithmetic number, because the mean of its divisors is an integer number (435103650).

Almost surely, 2^12978625962 is an apocalyptic number.

12978625962 is an abundant number, since it is smaller than the sum of its proper divisors (14868007638).

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

12978625962 is a wasteful number, since it uses less digits than its factorization.

12978625962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871.

The product of its digits is 6531840, while the sum is 57.

The spelling of 12978625962 in words is "twelve billion, nine hundred seventy-eight million, six hundred twenty-five thousand, nine hundred sixty-two".