12879013116 has 48 divisors (see below), whose sum is σ = 32369154048. Its totient is φ = 3973886400.

The previous prime is 12879013073. The next prime is 12879013151. The reversal of 12879013116 is 61131097821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 744075 + ... + 761186.

It is an arithmetic number, because the mean of its divisors is an integer number (674357376).

Almost surely, 2^12879013116 is an apocalyptic number.

It is an amenable number.

12879013116 is an abundant number, since it is smaller than the sum of its proper divisors (19490140932).

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

12879013116 is a wasteful number, since it uses less digits than its factorization.

12879013116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505322 (or 1505320 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 39.

The spelling of 12879013116 in words is "twelve billion, eight hundred seventy-nine million, thirteen thousand, one hundred sixteen".