12004012554 has 32 divisors (see below), whose sum is σ = 24904938240. Its totient is φ = 3854323200.

The previous prime is 12004012549. The next prime is 12004012567. The reversal of 12004012554 is 45521040021.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289407 + ... + 328274.

It is an arithmetic number, because the mean of its divisors is an integer number (778279320).

Almost surely, 2^12004012554 is an apocalyptic number.

12004012554 is an abundant number, since it is smaller than the sum of its proper divisors (12900925686).

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

12004012554 is a wasteful number, since it uses less digits than its factorization.

12004012554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617806.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 12004012554 its reverse (45521040021), we get a palindrome (57525052575).

The spelling of 12004012554 in words is "twelve billion, four million, twelve thousand, five hundred fifty-four".