202001321312 has 96 divisors (see below), whose sum is σ = 478697651712. Its totient is φ = 82033864704.

The previous prime is 202001321311. The next prime is 202001321351. The reversal of 202001321312 is 213123100202.

202001321312 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001321311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368048 + ... + 734480.

It is an arithmetic number, because the mean of its divisors is an integer number (4986433872).

Almost surely, 2^202001321312 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 202001321312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239348825856).

202001321312 is an abundant number, since it is smaller than the sum of its proper divisors (276696330400).

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

202001321312 is a wasteful number, since it uses less digits than its factorization.

202001321312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366580 (or 366572 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 202001321312 its reverse (213123100202), we get a palindrome (415124421514).

The spelling of 202001321312 in words is "two hundred two billion, one million, three hundred twenty-one thousand, three hundred twelve".