202020212212122 has 32 divisors (see below), whose sum is σ = 405162044280000. Its totient is φ = 67153182824448.

The previous prime is 202020212212031. The next prime is 202020212212129. The reversal of 202020212212122 is 221212212020202.

It is a super-2 number, since 2×202020212212122² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (202020212212129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10506004 + ... + 22680752.

It is an arithmetic number, because the mean of its divisors is an integer number (12661313883750).

Almost surely, 2^{202020212212122} is an apocalyptic number.

202020212212122 is an abundant number, since it is smaller than the sum of its proper divisors (203141832067878).

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

202020212212122 is a wasteful number, since it uses less digits than its factorization.

202020212212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12182430.

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

Adding to 202020212212122 its reverse (221212212020202), we get a palindrome (423232424232324).

The spelling of 202020212212122 in words is "two hundred two trillion, twenty billion, two hundred twelve million, two hundred twelve thousand, one hundred twenty-two".