22212211210212 has 48 divisors (see below), whose sum is σ = 51895875225600. Its totient is φ = 7394446693920.

The previous prime is 22212211210207. The next prime is 22212211210237. The reversal of 22212211210212 is 21201211221222.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77775637 + ... + 78060707.

It is an arithmetic number, because the mean of its divisors is an integer number (1081164067200).

Almost surely, 2^{22212211210212} is an apocalyptic number.

It is an amenable number.

22212211210212 is an abundant number, since it is smaller than the sum of its proper divisors (29683664015388).

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

22212211210212 is a wasteful number, since it uses less digits than its factorization.

22212211210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293496 (or 293494 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 22212211210212 its reverse (21201211221222), we get a palindrome (43413422431434).

The spelling of 22212211210212 in words is "twenty-two trillion, two hundred twelve billion, two hundred eleven million, two hundred ten thousand, two hundred twelve".