12942572112 has 30 divisors (see below), whose sum is σ = 36221226522. Its totient is φ = 4314190656.

The previous prime is 12942572077. The next prime is 12942572161. The reversal of 12942572112 is 21127524921.

It is a happy number.

12942572112 is a `hidden beast` number, since 1 + 294 + 257 + 2 + 112 = 666.

It can be written as a sum of positive squares in only one way, i.e., 12837796416 + 104775696 = 113304^2 + 10236^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 44939343 + ... + 44939630.

Almost surely, 2^12942572112 is an apocalyptic number.

12942572112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12942572112 is an abundant number, since it is smaller than the sum of its proper divisors (23278654410).

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

12942572112 is a wasteful number, since it uses less digits than its factorization.

12942572112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89878987 (or 89878978 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The spelling of 12942572112 in words is "twelve billion, nine hundred forty-two million, five hundred seventy-two thousand, one hundred twelve".