202101013312 has 56 divisors (see below), whose sum is σ = 438452495712. Its totient is φ = 91664678400.

The previous prime is 202101013291. The next prime is 202101013339. The reversal of 202101013312 is 213310101202.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 13183 + ... + 635905.

It is an arithmetic number, because the mean of its divisors is an integer number (7829508852).

Almost surely, 2^202101013312 is an apocalyptic number.

202101013312 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 202101013312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219226247856).

202101013312 is an abundant number, since it is smaller than the sum of its proper divisors (236351482400).

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

202101013312 is a wasteful number, since it uses less digits than its factorization.

202101013312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623207 (or 623197 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 202101013312 its reverse (213310101202), we get a palindrome (415411114514).

The spelling of 202101013312 in words is "two hundred two billion, one hundred one million, thirteen thousand, three hundred twelve".