202312011312 has 50 divisors (see below), whose sum is σ = 585549659948. Its totient is φ = 67437336672.

The previous prime is 202312011263. The next prime is 202312011323. The reversal of 202312011312 is 213110213202.

202312011312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×202312011312² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 9 ways as a sum of consecutive naturals, for example, 78051178 + ... + 78053769.

Almost surely, 2^202312011312 is an apocalyptic number.

It is an amenable number.

202312011312 is an abundant number, since it is smaller than the sum of its proper divisors (383237648636).

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

202312011312 is a wasteful number, since it uses less digits than its factorization.

202312011312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156104967 (or 156104952 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 202312011312 its reverse (213110213202), we get a palindrome (415422224514).

The spelling of 202312011312 in words is "two hundred two billion, three hundred twelve million, eleven thousand, three hundred twelve".