202022201121212 has 6 divisors (see below), whose sum is σ = 353538851962128. Its totient is φ = 101011100560604.

The previous prime is 202022201121199. The next prime is 202022201121217. The reversal of 202022201121212 is 212121102220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202022201121217) 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 as a sum of consecutive naturals, namely, 25252775140148 + ... + 25252775140155.

It is an arithmetic number, because the mean of its divisors is an integer number (58923141993688).

Almost surely, 2^{202022201121212} is an apocalyptic number.

It is an amenable number.

202022201121212 is a deficient number, since it is larger than the sum of its proper divisors (151516650840916).

202022201121212 is a wasteful number, since it uses less digits than its factorization.

202022201121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50505550280307 (or 50505550280305 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 202022201121212 its reverse (212121102220202), we get a palindrome (414143303341414).

The spelling of 202022201121212 in words is "two hundred two trillion, twenty-two billion, two hundred one million, one hundred twenty-one thousand, two hundred twelve".