202222121212 has 24 divisors (see below), whose sum is σ = 358778092400. Its totient is φ = 99714416256.

The previous prime is 202222121191. The next prime is 202222121267. The reversal of 202222121212 is 212121222202.

202222121212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 202222121212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2834839 + ... + 2905297.

Almost surely, 2^202222121212 is an apocalyptic number.

It is an amenable number.

202222121212 is a deficient number, since it is larger than the sum of its proper divisors (156555971188).

202222121212 is a wasteful number, since it uses less digits than its factorization.

202222121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80365 (or 80363 counting only the distinct ones).

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

Adding to 202222121212 its reverse (212121222202), we get a palindrome (414343343414).

The spelling of 202222121212 in words is "two hundred two billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred twelve".