22500512012 has 24 divisors (see below), whose sum is σ = 42960433152. Its totient is φ = 10226336400.

The previous prime is 22500511997. The next prime is 22500512087. The reversal of 22500512012 is 21021500522.

It is a happy 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, 447413 + ... + 495155.

It is an arithmetic number, because the mean of its divisors is an integer number (1790018048).

Almost surely, 2^22500512012 is an apocalyptic number.

22500512012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22500512012 is a deficient number, since it is larger than the sum of its proper divisors (20459921140).

22500512012 is a wasteful number, since it uses less digits than its factorization.

22500512012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58469 (or 58467 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The spelling of 22500512012 in words is "twenty-two billion, five hundred million, five hundred twelve thousand, twelve".