12373789255728 has 160 divisors (see below), whose sum is σ = 33222903598080. Its totient is φ = 3966047754240.

The previous prime is 12373789255703. The next prime is 12373789255739. The reversal of 12373789255728 is 82755298737321.

It is a super-2 number, since 2×12373789255728² (a number of 27 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (69) coincides with the sum of the digits of its distinct prime factors.

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, 31326823 + ... + 31719353.

It is an arithmetic number, because the mean of its divisors is an integer number (207643147488).

Almost surely, 2^{12373789255728} 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 12373789255728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16611451799040).

12373789255728 is an abundant number, since it is smaller than the sum of its proper divisors (20849114342352).

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

12373789255728 is a wasteful number, since it uses less digits than its factorization.

12373789255728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392835 (or 392829 counting only the distinct ones).

The product of its digits is 355622400, while the sum is 69.

The spelling of 12373789255728 in words is "twelve trillion, three hundred seventy-three billion, seven hundred eighty-nine million, two hundred fifty-five thousand, seven hundred twenty-eight".