202220203212 has 24 divisors (see below), whose sum is σ = 524274601200. Its totient is φ = 67406734368.

The previous prime is 202220203201. The next prime is 202220203219. The reversal of 202220203212 is 212302022202.

202220203212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (202220203219) by changing a digit.

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, 936204537 + ... + 936204752.

It is an arithmetic number, because the mean of its divisors is an integer number (21844775050).

Almost surely, 2^202220203212 is an apocalyptic number.

It is an amenable number.

202220203212 is an abundant number, since it is smaller than the sum of its proper divisors (322054397988).

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

202220203212 is a wasteful number, since it uses less digits than its factorization.

202220203212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872409302 (or 1872409294 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 202220203212 its reverse (212302022202), we get a palindrome (414522225414).

The spelling of 202220203212 in words is "two hundred two billion, two hundred twenty million, two hundred three thousand, two hundred twelve".