12492239052 has 12 divisors (see below), whose sum is σ = 29148557816. Its totient is φ = 4164079680.

The previous prime is 12492239051. The next prime is 12492239077. The reversal of 12492239052 is 25093229421.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 12492239052.

It is not an unprimeable number, because it can be changed into a prime (12492239051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 520509949 + ... + 520509972.

Almost surely, 2^12492239052 is an apocalyptic number.

12492239052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12492239052 is an abundant number, since it is smaller than the sum of its proper divisors (16656318764).

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

12492239052 is a wasteful number, since it uses less digits than its factorization.

12492239052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041019928 (or 1041019926 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The spelling of 12492239052 in words is "twelve billion, four hundred ninety-two million, two hundred thirty-nine thousand, fifty-two".