202201121212 has 6 divisors (see below), whose sum is σ = 353851962128. Its totient is φ = 101100560604.

The previous prime is 202201121207. The next prime is 202201121237. The reversal of 202201121212 is 212121102202.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25275140148 + ... + 25275140155.

Almost surely, 2^202201121212 is an apocalyptic number.

It is an amenable number.

202201121212 is a deficient number, since it is larger than the sum of its proper divisors (151650840916).

202201121212 is a wasteful number, since it uses less digits than its factorization.

202201121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50550280307 (or 50550280305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202201121212 its reverse (212121102202), we get a palindrome (414322223414).

The spelling of 202201121212 in words is "two hundred two billion, two hundred one million, one hundred twenty-one thousand, two hundred twelve".