12487982992 has 20 divisors (see below), whose sum is σ = 24214365360. Its totient is φ = 6239114528.

The previous prime is 12487982939. The next prime is 12487982993. The reversal of 12487982992 is 29928978421.

It is a self number, because there is not a number n which added to its sum of digits gives 12487982992.

It is not an unprimeable number, because it can be changed into a prime (12487982993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 283642 + ... + 324697.

It is an arithmetic number, because the mean of its divisors is an integer number (1210718268).

Almost surely, 2^12487982992 is an apocalyptic number.

It is an amenable number.

12487982992 is a deficient number, since it is larger than the sum of its proper divisors (11726382368).

12487982992 is a wasteful number, since it uses less digits than its factorization.

12487982992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609630 (or 609624 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 61.

The spelling of 12487982992 in words is "twelve billion, four hundred eighty-seven million, nine hundred eighty-two thousand, nine hundred ninety-two".