12044165904 has 120 divisors (see below), whose sum is σ = 34803105792. Its totient is φ = 3885719040.

The previous prime is 12044165891. The next prime is 12044165909. The reversal of 12044165904 is 40956144021.

12044165904 is a `hidden beast` number, since 1 + 20 + 4 + 41 + 6 + 590 + 4 = 666.

It is a super-2 number, since 2×12044165904² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is not an unprimeable number, because it can be changed into a prime (12044165909) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 741777 + ... + 757839.

Almost surely, 2^12044165904 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 12044165904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17401552896).

12044165904 is an abundant number, since it is smaller than the sum of its proper divisors (22758939888).

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

12044165904 is a wasteful number, since it uses less digits than its factorization.

12044165904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16245 (or 16236 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 12044165904 in words is "twelve billion, forty-four million, one hundred sixty-five thousand, nine hundred four".