12238155809082 has 120 divisors (see below), whose sum is σ = 31901539396320. Its totient is φ = 3496412440080.

The previous prime is 12238155809071. The next prime is 12238155809149. The reversal of 12238155809082 is 28090855183221.

12238155809082 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 8 + 1 + 558 + 0 + 9 + 0 + 82 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 183802857 + ... + 183869427.

It is an arithmetic number, because the mean of its divisors is an integer number (265846161636).

Almost surely, 2^{12238155809082} is an apocalyptic number.

12238155809082 is an abundant number, since it is smaller than the sum of its proper divisors (19663383587238).

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

12238155809082 is a wasteful number, since it uses less digits than its factorization.

12238155809082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89758 (or 89742 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 54.

The spelling of 12238155809082 in words is "twelve trillion, two hundred thirty-eight billion, one hundred fifty-five million, eight hundred nine thousand, eighty-two".