12978374504 has 16 divisors (see below), whose sum is σ = 24557705700. Its totient is φ = 6429652992.

The previous prime is 12978374467. The next prime is 12978374527. The reversal of 12978374504 is 40547387921.

It can be written as a sum of positive squares in 2 ways, for example, as 12973665604 + 4708900 = 113902^2 + 2170^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7440857 + ... + 7442600.

Almost surely, 2^12978374504 is an apocalyptic number.

It is an amenable number.

12978374504 is a deficient number, since it is larger than the sum of its proper divisors (11579331196).

12978374504 is a wasteful number, since it uses less digits than its factorization.

12978374504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14883572 (or 14883568 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 12978374504 in words is "twelve billion, nine hundred seventy-eight million, three hundred seventy-four thousand, five hundred four".