202231323112 has 384 divisors, whose sum is σ = 509753088000. Its totient is φ = 73414149120.

The previous prime is 202231323109. The next prime is 202231323113. The reversal of 202231323112 is 211323132202.

It is not an unprimeable number, because it can be changed into a prime (202231323113) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1129783839 + ... + 1129784017.

It is an arithmetic number, because the mean of its divisors is an integer number (1327482000).

Almost surely, 2^202231323112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202231323112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254876544000).

202231323112 is an abundant number, since it is smaller than the sum of its proper divisors (307521764888).

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

202231323112 is a wasteful number, since it uses less digits than its factorization.

202231323112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 202231323112 its reverse (211323132202), we get a palindrome (413554455314).

The spelling of 202231323112 in words is "two hundred two billion, two hundred thirty-one million, three hundred twenty-three thousand, one hundred twelve".