12242139984 has 80 divisors (see below), whose sum is σ = 35480764800. Its totient is φ = 4041080064.

The previous prime is 12242139979. The next prime is 12242139991. The reversal of 12242139984 is 48993124221.

12242139984 is a `hidden beast` number, since 12 + 242 + 1 + 399 + 8 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

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, 93069 + ... + 182060.

It is an arithmetic number, because the mean of its divisors is an integer number (443509560).

Almost surely, 2^12242139984 is an apocalyptic number.

It is an amenable number.

12242139984 is an abundant number, since it is smaller than the sum of its proper divisors (23238624816).

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

12242139984 is a wasteful number, since it uses less digits than its factorization.

12242139984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275249 (or 275237 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The spelling of 12242139984 in words is "twelve billion, two hundred forty-two million, one hundred thirty-nine thousand, nine hundred eighty-four".