22212022110012 has 96 divisors (see below), whose sum is σ = 65858510681600. Its totient is φ = 6341941961856.

The previous prime is 22212022110007. The next prime is 22212022110059. The reversal of 22212022110012 is 21001122021222.

It is a happy number.

22212022110012 is a `hidden beast` number, since 222 + 120 + 221 + 100 + 1 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8965873 + ... + 11171880.

Almost surely, 2^{22212022110012} is an apocalyptic number.

It is an amenable number.

22212022110012 is an abundant number, since it is smaller than the sum of its proper divisors (43646488571588).

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

22212022110012 is a wasteful number, since it uses less digits than its factorization.

22212022110012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20139232 (or 20139224 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22212022110012 its reverse (21001122021222), we get a palindrome (43213144131234).

The spelling of 22212022110012 in words is "twenty-two trillion, two hundred twelve billion, twenty-two million, one hundred ten thousand, twelve".