12879012800 has 42 divisors (see below), whose sum is σ = 31690424808. Its totient is φ = 5151604480.

The previous prime is 12879012761. The next prime is 12879012833. The reversal of 12879012800 is 821097821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4023092 + ... + 4026291.

It is an arithmetic number, because the mean of its divisors is an integer number (754533924).

Almost surely, 2^12879012800 is an apocalyptic number.

12879012800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12879012800 is an abundant number, since it is smaller than the sum of its proper divisors (18811412008).

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

12879012800 is an equidigital number, since it uses as much as digits as its factorization.

12879012800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8049405 (or 8049390 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 38.

The spelling of 12879012800 in words is "twelve billion, eight hundred seventy-nine million, twelve thousand, eight hundred".