12889244924920 has 64 divisors (see below), whose sum is σ = 35693293648320. Its totient is φ = 4079233557504.

The previous prime is 12889244924821. The next prime is 12889244924953. The reversal of 12889244924920 is 2942944298821.

It is a super-2 number, since 2×12889244924920² (a number of 27 digits) contains 22 as substring.

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, 1770497037 + ... + 1770504316.

It is an arithmetic number, because the mean of its divisors is an integer number (557707713255).

Almost surely, 2^{12889244924920} is an apocalyptic number.

12889244924920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12889244924920 is an abundant number, since it is smaller than the sum of its proper divisors (22804048723400).

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

12889244924920 is a wasteful number, since it uses less digits than its factorization.

12889244924920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541001384 (or 3541001380 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 64.

The spelling of 12889244924920 in words is "twelve trillion, eight hundred eighty-nine billion, two hundred forty-four million, nine hundred twenty-four thousand, nine hundred twenty".