12001204590 has 16 divisors (see below), whose sum is σ = 28802891088. Its totient is φ = 3200321216.

The previous prime is 12001204577. The next prime is 12001204601. The reversal of 12001204590 is 9540210021.

It is a super-2 number, since 2×12001204590² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12001204590.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200020047 + ... + 200020106.

It is an arithmetic number, because the mean of its divisors is an integer number (1800180693).

Almost surely, 2^12001204590 is an apocalyptic number.

12001204590 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001204590 is an abundant number, since it is smaller than the sum of its proper divisors (16801686498).

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

12001204590 is a wasteful number, since it uses less digits than its factorization.

12001204590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400040163.

The product of its (nonzero) digits is 720, while the sum is 24.

The spelling of 12001204590 in words is "twelve billion, one million, two hundred four thousand, five hundred ninety".