202211212 has 12 divisors (see below), whose sum is σ = 404422480. Its totient is φ = 86661936.

The previous prime is 202211203. The next prime is 202211213. The reversal of 202211212 is 212112202.

It is a happy number.

202211212 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 202211192 and 202211201.

It is not an unprimeable number, because it can be changed into a prime (202211213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3610887 + ... + 3610942.

Almost surely, 2^202211212 is an apocalyptic number.

It is an amenable number.

202211212 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.

202211212 is a wasteful number, since it uses less digits than its factorization.

202211212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7221840 (or 7221838 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 202211212 is about 14220.0988744804. The cubic root of 202211212 is about 586.9508610737.

Adding to 202211212 its reverse (212112202), we get a palindrome (414323414).

The spelling of 202211212 in words is "two hundred two million, two hundred eleven thousand, two hundred twelve".