202002212212122 has 24 divisors (see below), whose sum is σ = 469964330453376. Its totient is φ = 57714917774808.

The previous prime is 202002212212121. The next prime is 202002212212127. The reversal of 202002212212122 is 221212212200202.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (202002212212121) 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, 343541176938 + ... + 343541177525.

It is an arithmetic number, because the mean of its divisors is an integer number (19581847102224).

Almost surely, 2^{202002212212122} is an apocalyptic number.

202002212212122 is an abundant number, since it is smaller than the sum of its proper divisors (267962118241254).

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

202002212212122 is a wasteful number, since it uses less digits than its factorization.

202002212212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687082354482 (or 687082354475 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202002212212122 its reverse (221212212200202), we get a palindrome (423214424412324).

The spelling of 202002212212122 in words is "two hundred two trillion, two billion, two hundred twelve million, two hundred twelve thousand, one hundred twenty-two".