202031301212312 has 128 divisors (see below), whose sum is σ = 460405259496000. Its totient is φ = 81840837335040.

The previous prime is 202031301212309. The next prime is 202031301212329. The reversal of 202031301212312 is 213212103130202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 641234114 + ... + 641549102.

Almost surely, 2^{202031301212312} is an apocalyptic number.

202031301212312 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202031301212312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (230202629748000).

202031301212312 is an abundant number, since it is smaller than the sum of its proper divisors (258373958283688).

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

202031301212312 is a wasteful number, since it uses less digits than its factorization.

202031301212312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334381 (or 334377 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 202031301212312 its reverse (213212103130202), we get a palindrome (415243404342514).

The spelling of 202031301212312 in words is "two hundred two trillion, thirty-one billion, three hundred one million, two hundred twelve thousand, three hundred twelve".