202220122212 has 48 divisors (see below), whose sum is σ = 534166375680. Its totient is φ = 66134880864.

The previous prime is 202220122207. The next prime is 202220122361. The reversal of 202220122212 is 212221022202.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17658508 + ... + 17669955.

It is an arithmetic number, because the mean of its divisors is an integer number (11128466160).

Almost surely, 2^202220122212 is an apocalyptic number.

It is an amenable number.

202220122212 is an abundant number, since it is smaller than the sum of its proper divisors (331946253468).

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

202220122212 is a wasteful number, since it uses less digits than its factorization.

202220122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35328529 (or 35328521 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 202220122212 its reverse (212221022202), we get a palindrome (414441144414).

The spelling of 202220122212 in words is "two hundred two billion, two hundred twenty million, one hundred twenty-two thousand, two hundred twelve".