12318588632 has 48 divisors (see below), whose sum is σ = 26916555960. Its totient is φ = 5269923456.

The previous prime is 12318588613. The next prime is 12318588641. The reversal of 12318588632 is 23688581321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 192788 + ... + 248604.

Almost surely, 2^12318588632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12318588632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13458277980).

12318588632 is an abundant number, since it is smaller than the sum of its proper divisors (14597967328).

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

12318588632 is a wasteful number, since it uses less digits than its factorization.

12318588632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56400 (or 56389 counting only the distinct ones).

The product of its digits is 552960, while the sum is 47.

The spelling of 12318588632 in words is "twelve billion, three hundred eighteen million, five hundred eighty-eight thousand, six hundred thirty-two".