2112572112 has 160 divisors (see below), whose sum is σ = 6472823808. Its totient is φ = 581188608.

The previous prime is 2112572087. The next prime is 2112572123. The reversal of 2112572112 is 2112752112.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1053703 + ... + 1055705.

Almost surely, 2^2112572112 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 2112572112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3236411904).

2112572112 is an abundant number, since it is smaller than the sum of its proper divisors (4360251696).

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

2112572112 is a wasteful number, since it uses less digits than its factorization.

2112572112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2137 (or 2131 counting only the distinct ones).

The product of its digits is 560, while the sum is 24.

The square root of 2112572112 is about 45962.7252455726. The cubic root of 2112572112 is about 1283.1295718473.

The spelling of 2112572112 in words is "two billion, one hundred twelve million, five hundred seventy-two thousand, one hundred twelve".