12888520120044 has 36 divisors (see below), whose sum is σ = 32579501594640. Its totient is φ = 4296148734240.

The previous prime is 12888520120043. The next prime is 12888520120067. The reversal of 12888520120044 is 44002102588821.

It is a happy number.

12888520120044 is a `hidden beast` number, since 1 + 2 + 8 + 88 + 520 + 1 + 2 + 0 + 0 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12888520120044² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12888520120043) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5995642 + ... + 7856510.

Almost surely, 2^{12888520120044} is an apocalyptic number.

It is an amenable number.

12888520120044 is an abundant number, since it is smaller than the sum of its proper divisors (19690981474596).

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

12888520120044 is a wasteful number, since it uses less digits than its factorization.

12888520120044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2053270 (or 2053265 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 45.

The spelling of 12888520120044 in words is "twelve trillion, eight hundred eighty-eight billion, five hundred twenty million, one hundred twenty thousand, forty-four".