202201122021212 has 12 divisors (see below), whose sum is σ = 354374640002040. Its totient is φ = 100951224877776.

The previous prime is 202201122021179. The next prime is 202201122021251. The reversal of 202201122021212 is 212120221102202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37334030162 + ... + 37334035577.

It is an arithmetic number, because the mean of its divisors is an integer number (29531220000170).

Almost surely, 2^{202201122021212} is an apocalyptic number.

It is an amenable number.

202201122021212 is a deficient number, since it is larger than the sum of its proper divisors (152173517980828).

202201122021212 is a wasteful number, since it uses less digits than its factorization.

202201122021212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74668066420 (or 74668066418 counting only the distinct ones).

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

Adding to 202201122021212 its reverse (212120221102202), we get a palindrome (414321343123414).

The spelling of 202201122021212 in words is "two hundred two trillion, two hundred one billion, one hundred twenty-two million, twenty-one thousand, two hundred twelve".