212231010020202 has 96 divisors (see below), whose sum is σ = 498044578305600. Its totient is φ = 66981092336928.

The previous prime is 212231010020201. The next prime is 212231010020207. The reversal of 212231010020202 is 202020010132212.

212231010020202 is a `hidden beast` number, since 2 + 122 + 310 + 10 + 0 + 20 + 202 = 666.

212231010020202 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 2×212231010020202² (a number of 29 digits) contains 22 as substring.

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 (212231010020201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30130053 + ... + 36500439.

It is an arithmetic number, because the mean of its divisors is an integer number (5187964357350).

Almost surely, 2^{212231010020202} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212231010020202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (249022289152800).

212231010020202 is an abundant number, since it is smaller than the sum of its proper divisors (285813568285398).

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

212231010020202 is a wasteful number, since it uses less digits than its factorization.

212231010020202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6372145 (or 6372120 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 212231010020202 its reverse (202020010132212), we get a palindrome (414251020152414).

The spelling of 212231010020202 in words is "two hundred twelve trillion, two hundred thirty-one billion, ten million, twenty thousand, two hundred two".