12256894488 has 32 divisors (see below), whose sum is σ = 31974508800. Its totient is φ = 3907995168.

The previous prime is 12256894453. The next prime is 12256894493. The reversal of 12256894488 is 88449865221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11101708 + ... + 11102811.

It is an arithmetic number, because the mean of its divisors is an integer number (999203400).

Almost surely, 2^12256894488 is an apocalyptic number.

It is an amenable number.

12256894488 is an abundant number, since it is smaller than the sum of its proper divisors (19717614312).

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

12256894488 is a wasteful number, since it uses less digits than its factorization.

12256894488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22204551 (or 22204547 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 57.

The spelling of 12256894488 in words is "twelve billion, two hundred fifty-six million, eight hundred ninety-four thousand, four hundred eighty-eight".