12504886992 has 120 divisors (see below), whose sum is σ = 38399745384. Its totient is φ = 3775030272.

The previous prime is 12504886991. The next prime is 12504887033. The reversal of 12504886992 is 29968840521.

It is a happy number.

12504886992 is a `hidden beast` number, since 12 + 5 + 0 + 488 + 69 + 92 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 149230656 + 12355656336 = 12216^2 + 111156^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12504886991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36198 + ... + 162234.

Almost surely, 2^12504886992 is an apocalyptic number.

12504886992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12504886992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19199872692).

12504886992 is an abundant number, since it is smaller than the sum of its proper divisors (25894858392).

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

12504886992 is a wasteful number, since it uses less digits than its factorization.

12504886992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126117 (or 126108 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 54.

The spelling of 12504886992 in words is "twelve billion, five hundred four million, eight hundred eighty-six thousand, nine hundred ninety-two".