12042559236 has 24 divisors (see below), whose sum is σ = 29321014464. Its totient is φ = 3839656480.

The previous prime is 12042559219. The next prime is 12042559267. The reversal of 12042559236 is 63295524021.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12042559194 and 12042559203.

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, 21815955 + ... + 21816506.

It is an arithmetic number, because the mean of its divisors is an integer number (1221708936).

Almost surely, 2^12042559236 is an apocalyptic number.

It is an amenable number.

12042559236 is an abundant number, since it is smaller than the sum of its proper divisors (17278455228).

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

12042559236 is a wasteful number, since it uses less digits than its factorization.

12042559236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43632491 (or 43632489 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 12042559236 in words is "twelve billion, forty-two million, five hundred fifty-nine thousand, two hundred thirty-six".