22512565112 has 32 divisors (see below), whose sum is σ = 47046387600. Its totient is φ = 10036560384.

The previous prime is 22512565081. The next prime is 22512565123. The reversal of 22512565112 is 21156521522.

It is a happy number.

It is a congruent number.

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, 4353563 + ... + 4358730.

Almost surely, 2^22512565112 is an apocalyptic number.

It is an amenable number.

22512565112 is an abundant number, since it is smaller than the sum of its proper divisors (24533822488).

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

22512565112 is a wasteful number, since it uses less digits than its factorization.

22512565112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8712335 (or 8712331 counting only the distinct ones).

The product of its digits is 12000, while the sum is 32.

The spelling of 22512565112 in words is "twenty-two billion, five hundred twelve million, five hundred sixty-five thousand, one hundred twelve".