202131212202 has 48 divisors (see below), whose sum is σ = 483874223040. Its totient is φ = 60656593536.

The previous prime is 202131212197. The next prime is 202131212209. The reversal of 202131212202 is 202212131202.

202131212202 is digitally balanced in base 3, 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 (202131212209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14352952 + ... + 14367027.

It is an arithmetic number, because the mean of its divisors is an integer number (10080712980).

Almost surely, 2^202131212202 is an apocalyptic number.

202131212202 is an abundant number, since it is smaller than the sum of its proper divisors (281743010838).

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

202131212202 is a wasteful number, since it uses less digits than its factorization.

202131212202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28720027 (or 28720024 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 202131212202 its reverse (202212131202), we get a palindrome (404343343404).

The spelling of 202131212202 in words is "two hundred two billion, one hundred thirty-one million, two hundred twelve thousand, two hundred two".