12638900002 has 96 divisors (see below), whose sum is σ = 21707896320. Its totient is φ = 5507281920.

The previous prime is 12638899991. The next prime is 12638900003. The reversal of 12638900002 is 20000983621.

12638900002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12638900003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 48056523 + ... + 48056785.

It is an arithmetic number, because the mean of its divisors is an integer number (226123920).

Almost surely, 2^12638900002 is an apocalyptic number.

12638900002 is a deficient number, since it is larger than the sum of its proper divisors (9068996318).

12638900002 is a wasteful number, since it uses less digits than its factorization.

12638900002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436 (or 419 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 12638900002 in words is "twelve billion, six hundred thirty-eight million, nine hundred thousand, two".