12636305132 has 72 divisors (see below), whose sum is σ = 24925017600. Its totient is φ = 5556616000.

The previous prime is 12636305113. The next prime is 12636305141. The reversal of 12636305132 is 23150363621.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21095369 + ... + 21095967.

It is an arithmetic number, because the mean of its divisors is an integer number (346180800).

Almost surely, 2^12636305132 is an apocalyptic number.

It is an amenable number.

12636305132 is a deficient number, since it is larger than the sum of its proper divisors (12288712468).

12636305132 is a wasteful number, since it uses less digits than its factorization.

12636305132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 863 (or 760 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

Adding to 12636305132 its reverse (23150363621), we get a palindrome (35786668753).

The spelling of 12636305132 in words is "twelve billion, six hundred thirty-six million, three hundred five thousand, one hundred thirty-two".