202112210209 has 16 divisors (see below), whose sum is σ = 248867893120. Its totient is φ = 159839412480.

The previous prime is 202112210119. The next prime is 202112210221. The reversal of 202112210209 is 902012211202.

202112210209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 202112210209 - 2¹¹ = 202112208161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202112210209.

It is not an unprimeable number, because it can be changed into a prime (202112210009) 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 15 ways as a sum of consecutive naturals, for example, 311352 + ... + 707929.

It is an arithmetic number, because the mean of its divisors is an integer number (15554243320).

Almost surely, 2^202112210209 is an apocalyptic number.

It is an amenable number.

202112210209 is a deficient number, since it is larger than the sum of its proper divisors (46755682911).

202112210209 is a wasteful number, since it uses less digits than its factorization.

202112210209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021480.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 202112210209 in words is "two hundred two billion, one hundred twelve million, two hundred ten thousand, two hundred nine".