12638901512514 has 16 divisors (see below), whose sum is σ = 25282110098880. Its totient is φ = 4212249325200.

The previous prime is 12638901512513. The next prime is 12638901512519. The reversal of 12638901512514 is 41521510983621.

It is not an unprimeable number, because it can be changed into a prime (12638901512513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179423262 + ... + 179493689.

It is an arithmetic number, because the mean of its divisors is an integer number (1580131881180).

Almost surely, 2^{12638901512514} is an apocalyptic number.

12638901512514 is an abundant number, since it is smaller than the sum of its proper divisors (12643208586366).

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

12638901512514 is a wasteful number, since it uses less digits than its factorization.

12638901512514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358922825.

The product of its (nonzero) digits is 518400, while the sum is 48.

The spelling of 12638901512514 in words is "twelve trillion, six hundred thirty-eight billion, nine hundred one million, five hundred twelve thousand, five hundred fourteen".