22020202012212 has 36 divisors (see below), whose sum is σ = 55746386411716. Its totient is φ = 7328962840320.

The previous prime is 22020202012199. The next prime is 22020202012231. The reversal of 22020202012212 is 21221020202022.

22020202012212 is a `hidden beast` number, since 220 + 2 + 0 + 20 + 201 + 221 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12584713680036 + 9435488332176 = 3547494^2 + 3071724^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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 11 ways as a sum of consecutive naturals, for example, 462663253 + ... + 462710844.

Almost surely, 2^{22020202012212} is an apocalyptic number.

It is an amenable number.

22020202012212 is an abundant number, since it is smaller than the sum of its proper divisors (33726184399504).

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

22020202012212 is a wasteful number, since it uses less digits than its factorization.

22020202012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 925374768 (or 925374763 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22020202012212 its reverse (21221020202022), we get a palindrome (43241222214234).

The spelling of 22020202012212 in words is "twenty-two trillion, twenty billion, two hundred two million, twelve thousand, two hundred twelve".