202221220012 has 12 divisors (see below), whose sum is σ = 404442440080. Its totient is φ = 86666237136.

The previous prime is 202221220009. The next prime is 202221220031. The reversal of 202221220012 is 210022122202.

202221220012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

202221220012 is an admirable 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 3 ways as a sum of consecutive naturals, for example, 3611093187 + ... + 3611093242.

Almost surely, 2^202221220012 is an apocalyptic number.

It is an amenable number.

202221220012 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.

202221220012 is a wasteful number, since it uses less digits than its factorization.

202221220012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7222186440 (or 7222186438 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 202221220012 its reverse (210022122202), we get a palindrome (412243342214).

The spelling of 202221220012 in words is "two hundred two billion, two hundred twenty-one million, two hundred twenty thousand, twelve".