22102000212 has 12 divisors (see below), whose sum is σ = 51571333856. Its totient is φ = 7367333400.

The previous prime is 22102000189. The next prime is 22102000241. The reversal of 22102000212 is 21200020122.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1841833351 = 22102000212 / (2 + 2 + 1 + 0 + 2 + 0 + 0 + 0 + 2 + 1 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 920916664 + ... + 920916687.

Almost surely, 2^22102000212 is an apocalyptic number.

It is an amenable number.

22102000212 is an abundant number, since it is smaller than the sum of its proper divisors (29469333644).

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

22102000212 is a wasteful number, since it uses less digits than its factorization.

22102000212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841833358 (or 1841833356 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 22102000212 its reverse (21200020122), we get a palindrome (43302020334).

The spelling of 22102000212 in words is "twenty-two billion, one hundred two million, two hundred twelve", and thus it is an aban number.