202131122132 has 12 divisors (see below), whose sum is σ = 353735748660. Its totient is φ = 101063765376.

The previous prime is 202131122101. The next prime is 202131122251. The reversal of 202131122132 is 231221131202.

It can be written as a sum of positive squares in 2 ways, for example, as 111719051536 + 90412070596 = 334244^2 + 300686^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177407 + ... + 660102.

It is an arithmetic number, because the mean of its divisors is an integer number (29477979055).

Almost surely, 2^202131122132 is an apocalyptic number.

It is an amenable number.

202131122132 is a deficient number, since it is larger than the sum of its proper divisors (151604626528).

202131122132 is a wasteful number, since it uses less digits than its factorization.

202131122132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897850 (or 897848 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 202131122132 its reverse (231221131202), we get a palindrome (433352253334).

The spelling of 202131122132 in words is "two hundred two billion, one hundred thirty-one million, one hundred twenty-two thousand, one hundred thirty-two".