12117937132 has 24 divisors (see below), whose sum is σ = 24248268576. Its totient is φ = 5190745728.

The previous prime is 12117937109. The next prime is 12117937189. The reversal of 12117937132 is 23173971121.

It is a junction number, because it is equal to n+sod(n) for n = 12117937091 and 12117937100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54433 + ... + 164920.

It is an arithmetic number, because the mean of its divisors is an integer number (1010344524).

Almost surely, 2^12117937132 is an apocalyptic number.

It is an amenable number.

12117937132 is an abundant number, since it is smaller than the sum of its proper divisors (12130331444).

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

12117937132 is a wasteful number, since it uses less digits than its factorization.

12117937132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221337 (or 221335 counting only the distinct ones).

The product of its digits is 15876, while the sum is 37.

The spelling of 12117937132 in words is "twelve billion, one hundred seventeen million, nine hundred thirty-seven thousand, one hundred thirty-two".