12988862872 has 8 divisors (see below), whose sum is σ = 24354117900. Its totient is φ = 6494431432.

The previous prime is 12988862849. The next prime is 12988862879. The reversal of 12988862872 is 27826888921.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12988862872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12988862879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 811803922 + ... + 811803937.

Almost surely, 2^12988862872 is an apocalyptic number.

It is an amenable number.

12988862872 is a deficient number, since it is larger than the sum of its proper divisors (11365255028).

12988862872 is a wasteful number, since it uses less digits than its factorization.

12988862872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1623607865 (or 1623607861 counting only the distinct ones).

The product of its digits is 12386304, while the sum is 61.

The spelling of 12988862872 in words is "twelve billion, nine hundred eighty-eight million, eight hundred sixty-two thousand, eight hundred seventy-two".