202211121212 has 24 divisors (see below), whose sum is σ = 380277639504. Its totient is φ = 93737901312.

The previous prime is 202211121187. The next prime is 202211121239. The reversal of 202211121212 is 212121112202.

202211121212 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 (17).

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, 22187183 + ... + 22196294.

It is an arithmetic number, because the mean of its divisors is an integer number (15844901646).

Almost surely, 2^202211121212 is an apocalyptic number.

It is an amenable number.

202211121212 is a deficient number, since it is larger than the sum of its proper divisors (178066518292).

202211121212 is a wasteful number, since it uses less digits than its factorization.

202211121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44383565 (or 44383563 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 202211121212 its reverse (212121112202), we get a palindrome (414332233414).

The spelling of 202211121212 in words is "two hundred two billion, two hundred eleven million, one hundred twenty-one thousand, two hundred twelve".