22010112012 has 48 divisors (see below), whose sum is σ = 61782775040. Its totient is φ = 5957623872.

The previous prime is 22010111999. The next prime is 22010112023. The reversal of 22010112012 is 21021101022.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6893803 + ... + 6896994.

Almost surely, 2^22010112012 is an apocalyptic number.

It is an amenable number.

22010112012 is an abundant number, since it is smaller than the sum of its proper divisors (39772663028).

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

22010112012 is a wasteful number, since it uses less digits than its factorization.

22010112012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13790830 (or 13790828 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22010112012 its reverse (21021101022), we get a palindrome (43031213034).

The spelling of 22010112012 in words is "twenty-two billion, ten million, one hundred twelve thousand, twelve".