12956279288 has 16 divisors (see below), whose sum is σ = 24442063080. Its totient is φ = 6438395808.

The previous prime is 12956279267. The next prime is 12956279321. The reversal of 12956279288 is 88297265921.

It is a congruent number.

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, 4966595 + ... + 4969202.

Almost surely, 2^12956279288 is an apocalyptic number.

It is an amenable number.

12956279288 is a deficient number, since it is larger than the sum of its proper divisors (11485783792).

12956279288 is a wasteful number, since it uses less digits than its factorization.

12956279288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9935966 (or 9935962 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 59.

The spelling of 12956279288 in words is "twelve billion, nine hundred fifty-six million, two hundred seventy-nine thousand, two hundred eighty-eight".