202222211212 has 12 divisors (see below), whose sum is σ = 404444422480. Its totient is φ = 86666661936.

The previous prime is 202222211183. The next prime is 202222211227. The reversal of 202222211212 is 212112222202.

202222211212 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 202222211212.

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, 3611110887 + ... + 3611110942.

Almost surely, 2^202222211212 is an apocalyptic number.

It is an amenable number.

202222211212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

202222211212 is a wasteful number, since it uses less digits than its factorization.

202222211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7222221840 (or 7222221838 counting only the distinct ones).

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

Adding to 202222211212 its reverse (212112222202), we get a palindrome (414334433414).

The spelling of 202222211212 in words is "two hundred two billion, two hundred twenty-two million, two hundred eleven thousand, two hundred twelve".