202122201212 has 12 divisors (see below), whose sum is σ = 354032808360. Its totient is φ = 100969970256.

The previous prime is 202122201139. The next prime is 202122201227. The reversal of 202122201212 is 212102221202.

It is a happy number.

202122201212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 22777598 + ... + 22786469.

It is an arithmetic number, because the mean of its divisors is an integer number (29502734030).

Almost surely, 2^202122201212 is an apocalyptic number.

It is an amenable number.

202122201212 is a deficient number, since it is larger than the sum of its proper divisors (151910607148).

202122201212 is a wasteful number, since it uses less digits than its factorization.

202122201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45565180 (or 45565178 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 202122201212 its reverse (212102221202), we get a palindrome (414224422414).

The spelling of 202122201212 in words is "two hundred two billion, one hundred twenty-two million, two hundred one thousand, two hundred twelve".