12655839025824 has 192 divisors, whose sum is σ = 35155331334144. Its totient is φ = 3978280728576.

The previous prime is 12655839025813. The next prime is 12655839025849. The reversal of 12655839025824 is 42852093855621.

It is a super-2 number, since 2×12655839025824² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426639217 + ... + 426668879.

It is an arithmetic number, because the mean of its divisors is an integer number (183100684032).

Almost surely, 2^{12655839025824} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12655839025824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17577665667072).

12655839025824 is an abundant number, since it is smaller than the sum of its proper divisors (22499492308320).

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

12655839025824 is a wasteful number, since it uses less digits than its factorization.

12655839025824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32419 (or 32411 counting only the distinct ones).

The product of its (nonzero) digits is 41472000, while the sum is 60.

The spelling of 12655839025824 in words is "twelve trillion, six hundred fifty-five billion, eight hundred thirty-nine million, twenty-five thousand, eight hundred twenty-four".