22022120120212 has 12 divisors (see below), whose sum is σ = 38892276359860. Its totient is φ = 10910041160256.

The previous prime is 22022120120171. The next prime is 22022120120227. The reversal of 22022120120212 is 21202102122022.

It can be written as a sum of positive squares in 2 ways, for example, as 15449018914576 + 6573101205636 = 3930524^2 + 2563806^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22022120120212.

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, 25254724473 + ... + 25254725344.

Almost surely, 2^{22022120120212} is an apocalyptic number.

It is an amenable number.

22022120120212 is a deficient number, since it is larger than the sum of its proper divisors (16870156239648).

22022120120212 is a wasteful number, since it uses less digits than its factorization.

22022120120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50509449930 (or 50509449928 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22022120120212 its reverse (21202102122022), we get a palindrome (43224222242234).

The spelling of 22022120120212 in words is "twenty-two trillion, twenty-two billion, one hundred twenty million, one hundred twenty thousand, two hundred twelve".