12633112644 has 48 divisors (see below), whose sum is σ = 30166899840. Its totient is φ = 4113607680.

The previous prime is 12633112561. The next prime is 12633112669. The reversal of 12633112644 is 44621133621.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24852 + ... + 160884.

It is an arithmetic number, because the mean of its divisors is an integer number (628477080).

Almost surely, 2^12633112644 is an apocalyptic number.

It is an amenable number.

12633112644 is an abundant number, since it is smaller than the sum of its proper divisors (17533787196).

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

12633112644 is a wasteful number, since it uses less digits than its factorization.

12633112644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136220 (or 136218 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The spelling of 12633112644 in words is "twelve billion, six hundred thirty-three million, one hundred twelve thousand, six hundred forty-four".