22012132012 has 24 divisors (see below), whose sum is σ = 41912086496. Its totient is φ = 10054706688.

The previous prime is 22012132007. The next prime is 22012132031. The reversal of 22012132012 is 21023121022.

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, 2176968 + ... + 2187055.

Almost surely, 2^22012132012 is an apocalyptic number.

It is an amenable number.

22012132012 is a deficient number, since it is larger than the sum of its proper divisors (19899954484).

22012132012 is a wasteful number, since it uses less digits than its factorization.

22012132012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4364137 (or 4364135 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 22012132012 its reverse (21023121022), we get a palindrome (43035253034).

The spelling of 22012132012 in words is "twenty-two billion, twelve million, one hundred thirty-two thousand, twelve".