202013202312 has 80 divisors (see below), whose sum is σ = 566077075740. Its totient is φ = 67307618304.

The previous prime is 202013202311. The next prime is 202013202359. The reversal of 202013202312 is 213202310202.

202013202312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 183264472836 + 18748729476 = 428094^2 + 136926^2 .

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 (202013202311) 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 19 ways as a sum of consecutive naturals, for example, 1404328 + ... + 1541480.

Almost surely, 2^202013202312 is an apocalyptic number.

It is an amenable number.

202013202312 is an abundant number, since it is smaller than the sum of its proper divisors (364063873428).

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

202013202312 is a wasteful number, since it uses less digits than its factorization.

202013202312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139444 (or 139431 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 202013202312 its reverse (213202310202), we get a palindrome (415215512514).

The spelling of 202013202312 in words is "two hundred two billion, thirteen million, two hundred two thousand, three hundred twelve".