22201212020212 has 48 divisors (see below), whose sum is σ = 41207517711360. Its totient is φ = 10453377144672.

The previous prime is 22201212020189. The next prime is 22201212020213. The reversal of 22201212020212 is 21202021210222.

It is a self number, because there is not a number n which added to its sum of digits gives 22201212020212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201212020213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19953262 + ... + 21036517.

It is an arithmetic number, because the mean of its divisors is an integer number (858489952320).

Almost surely, 2^{22201212020212} is an apocalyptic number.

It is an amenable number.

22201212020212 is a deficient number, since it is larger than the sum of its proper divisors (19006305691148).

22201212020212 is a wasteful number, since it uses less digits than its factorization.

22201212020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40989940 (or 40989938 counting only the distinct ones).

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

Adding to 22201212020212 its reverse (21202021210222), we get a palindrome (43403233230434).

The spelling of 22201212020212 in words is "twenty-two trillion, two hundred one billion, two hundred twelve million, twenty thousand, two hundred twelve".