202220002121212 has 12 divisors (see below), whose sum is σ = 354013735999000. Its totient is φ = 101073220407216.

The previous prime is 202220002121197. The next prime is 202220002121227. The reversal of 202220002121212 is 212121200022202.

It is an interprime number because it is at equal distance from previous prime (202220002121197) and next prime (202220002121227).

It is a self number, because there is not a number n which added to its sum of digits gives 202220002121212.

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, 9195150978 + ... + 9195172969.

Almost surely, 2^{202220002121212} is an apocalyptic number.

It is an amenable number.

202220002121212 is a deficient number, since it is larger than the sum of its proper divisors (151793733877788).

202220002121212 is a wasteful number, since it uses less digits than its factorization.

202220002121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18390326700 (or 18390326698 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 202220002121212 its reverse (212121200022202), we get a palindrome (414341202143414).

The spelling of 202220002121212 in words is "two hundred two trillion, two hundred twenty billion, two million, one hundred twenty-one thousand, two hundred twelve".