202102202012202 has 24 divisors (see below), whose sum is σ = 437890857558336. Its totient is φ = 67366977101736.

The previous prime is 202102202012197. The next prime is 202102202012209. The reversal of 202102202012202 is 202210202201202.

202102202012202 is a `hidden beast` number, since 2 + 0 + 21 + 0 + 220 + 201 + 220 + 2 = 666.

It is a super-2 number, since 2×202102202012202² (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 (202102202012209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32348388 + ... + 38087039.

It is an arithmetic number, because the mean of its divisors is an integer number (18245452398264).

Almost surely, 2^{202102202012202} is an apocalyptic number.

202102202012202 is an abundant number, since it is smaller than the sum of its proper divisors (235788655546134).

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

202102202012202 is a wasteful number, since it uses less digits than its factorization.

202102202012202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70594842 (or 70594839 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 202102202012202 its reverse (202210202201202), we get a palindrome (404312404213404).

The spelling of 202102202012202 in words is "two hundred two trillion, one hundred two billion, two hundred two million, twelve thousand, two hundred two".