12879140264 has 16 divisors (see below), whose sum is σ = 24801047700. Its totient is φ = 6265527552.

The previous prime is 12879140243. The next prime is 12879140297. The reversal of 12879140264 is 46204197821.

It can be written as a sum of positive squares in 2 ways, for example, as 10477160164 + 2401980100 = 102358^2 + 49010^2 .

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 21755009 + ... + 21755600.

Almost surely, 2^12879140264 is an apocalyptic number.

It is an amenable number.

12879140264 is a deficient number, since it is larger than the sum of its proper divisors (11921907436).

12879140264 is a wasteful number, since it uses less digits than its factorization.

12879140264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43510652 (or 43510648 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 44.

The spelling of 12879140264 in words is "twelve billion, eight hundred seventy-nine million, one hundred forty thousand, two hundred sixty-four".