12638263132 has 12 divisors (see below), whose sum is σ = 24127593336. Its totient is φ = 5744665040.

The previous prime is 12638263111. The next prime is 12638263159. The reversal of 12638263132 is 23136283621.

It is a junction number, because it is equal to n+sod(n) for n = 12638263091 and 12638263100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143616583 + ... + 143616670.

It is an arithmetic number, because the mean of its divisors is an integer number (2010632778).

Almost surely, 2^12638263132 is an apocalyptic number.

It is an amenable number.

12638263132 is a deficient number, since it is larger than the sum of its proper divisors (11489330204).

12638263132 is a wasteful number, since it uses less digits than its factorization.

12638263132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287233268 (or 287233266 counting only the distinct ones).

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

The spelling of 12638263132 in words is "twelve billion, six hundred thirty-eight million, two hundred sixty-three thousand, one hundred thirty-two".