12638263132000 has 96 divisors (see below), whose sum is σ = 33875141043744. Its totient is φ = 4595732032000.

The previous prime is 12638263131943. The next prime is 12638263132007. The reversal of 12638263132000 is 23136283621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12638263132007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143572627 + ... + 143660626.

It is an arithmetic number, because the mean of its divisors is an integer number (352866052539).

Almost surely, 2^{12638263132000} is an apocalyptic number.

12638263132000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12638263132000 is an abundant number, since it is smaller than the sum of its proper divisors (21236877911744).

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

12638263132000 is a wasteful number, since it uses less digits than its factorization.

12638263132000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287233289 (or 287233271 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 37.

The spelling of 12638263132000 in words is "twelve trillion, six hundred thirty-eight billion, two hundred sixty-three million, one hundred thirty-two thousand".