2172107112 has 32 divisors (see below), whose sum is σ = 6206020800. Its totient is φ = 620601984.

The previous prime is 2172107087. The next prime is 2172107123. The reversal of 2172107112 is 2117012712.

2172107112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 6464437 + ... + 6464772.

It is an arithmetic number, because the mean of its divisors is an integer number (193938150).

Almost surely, 2^2172107112 is an apocalyptic number.

It is an amenable number.

2172107112 is an abundant number, since it is smaller than the sum of its proper divisors (4033913688).

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

2172107112 is a wasteful number, since it uses less digits than its factorization.

2172107112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12929225 (or 12929221 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 24.

The square root of 2172107112 is about 46605.8699307287. The cubic root of 2172107112 is about 1295.0714990611.

Adding to 2172107112 its reverse (2117012712), we get a palindrome (4289119824).

The spelling of 2172107112 in words is "two billion, one hundred seventy-two million, one hundred seven thousand, one hundred twelve".