12031018596 has 81 divisors (see below), whose sum is σ = 30886467339. Its totient is φ = 3948696000.

The previous prime is 12031018579. The next prime is 12031018631. The reversal of 12031018596 is 69581013021.

The square root of 12031018596 is 109686.

It is a perfect power (a square), and thus also a powerful number.

12031018596 is a `hidden beast` number, since 1 + 20 + 31 + 0 + 18 + 596 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 106378596 + 11924640000 = 10314^2 + 109200^2 .

It is a super-2 number, since 2×12031018596² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 12031018596.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 66469626 + ... + 66469806.

Almost surely, 2^12031018596 is an apocalyptic number.

12031018596 is the 109686-th square number.

It is an amenable number.

12031018596 is an abundant number, since it is smaller than the sum of its proper divisors (18855448743).

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

12031018596 is a wasteful number, since it uses less digits than its factorization.

12031018596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 574 (or 287 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

Multiplying 12031018596 by its sum of digits (36), we get a square (433116669456 = 658116²).

12031018596 divided by its sum of digits (36) gives a square (334194961 = 18281²).

The spelling of 12031018596 in words is "twelve billion, thirty-one million, eighteen thousand, five hundred ninety-six".