22013120212 has 12 divisors (see below), whose sum is σ = 39765636736. Its totient is φ = 10651509720.

The previous prime is 22013120177. The next prime is 22013120257. The reversal of 22013120212 is 21202131022.

It is a happy number.

It is a super-2 number, since 2×22013120212² (a number of 21 digits) contains 22 as substring.

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, 88762458 + ... + 88762705.

Almost surely, 2^22013120212 is an apocalyptic number.

It is an amenable number.

22013120212 is a deficient number, since it is larger than the sum of its proper divisors (17752516524).

22013120212 is a wasteful number, since it uses less digits than its factorization.

22013120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177525198 (or 177525196 counting only the distinct ones).

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

Adding to 22013120212 its reverse (21202131022), we get a palindrome (43215251234).

The spelling of 22013120212 in words is "twenty-two billion, thirteen million, one hundred twenty thousand, two hundred twelve".