18756255212 has 12 divisors (see below), whose sum is σ = 32871935040. Its totient is φ = 9364273776.

The previous prime is 18756255179. The next prime is 18756255293. The reversal of 18756255212 is 21255265781.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3460412 + ... + 3465827.

It is an arithmetic number, because the mean of its divisors is an integer number (2739327920).

Almost surely, 2^18756255212 is an apocalyptic number.

It is an amenable number.

18756255212 is a deficient number, since it is larger than the sum of its proper divisors (14115679828).

18756255212 is a wasteful number, since it uses less digits than its factorization.

18756255212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6926920 (or 6926918 counting only the distinct ones).

The product of its digits is 336000, while the sum is 44.

The spelling of 18756255212 in words is "eighteen billion, seven hundred fifty-six million, two hundred fifty-five thousand, two hundred twelve".