202212122122122 has 96 divisors (see below), whose sum is σ = 512333871040512. Its totient is φ = 52012178946816.

The previous prime is 202212122122111. The next prime is 202212122122123. The reversal of 202212122122122 is 221221221212202.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 202212122122092 and 202212122122101.

It is not an unprimeable number, because it can be changed into a prime (202212122122123) 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, 361882278 + ... + 362440625.

It is an arithmetic number, because the mean of its divisors is an integer number (5336811156672).

Almost surely, 2^{202212122122122} is an apocalyptic number.

202212122122122 is an abundant number, since it is smaller than the sum of its proper divisors (310121748918390).

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

202212122122122 is a wasteful number, since it uses less digits than its factorization.

202212122122122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724322972 (or 724322955 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

Adding to 202212122122122 its reverse (221221221212202), we get a palindrome (423433343334324).

The spelling of 202212122122122 in words is "two hundred two trillion, two hundred twelve billion, one hundred twenty-two million, one hundred twenty-two thousand, one hundred twenty-two".