12257893521888 has 96 divisors (see below), whose sum is σ = 38372536290816. Its totient is φ = 3349983318528.

The previous prime is 12257893521871. The next prime is 12257893521893. The reversal of 12257893521888 is 88812539875221.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396526131 + ... + 396557042.

It is an arithmetic number, because the mean of its divisors is an integer number (399713919696).

Almost surely, 2^{12257893521888} is an apocalyptic number.

It is an amenable number.

12257893521888 is an abundant number, since it is smaller than the sum of its proper divisors (26114642768928).

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

12257893521888 is a wasteful number, since it uses less digits than its factorization.

12257893521888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793083216 (or 793083208 counting only the distinct ones).

The product of its digits is 154828800, while the sum is 69.

The spelling of 12257893521888 in words is "twelve trillion, two hundred fifty-seven billion, eight hundred ninety-three million, five hundred twenty-one thousand, eight hundred eighty-eight".