202212220020212 has 6 divisors (see below), whose sum is σ = 353871385035378. Its totient is φ = 101106110010104.

The previous prime is 202212220020211. The next prime is 202212220020287. The reversal of 202212220020212 is 212020022212202.

It can be written as a sum of positive squares in only one way, i.e., 196781810075236 + 5430409944976 = 14027894^2 + 2330324^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202212220020211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25276527502523 + ... + 25276527502530.

It is an arithmetic number, because the mean of its divisors is an integer number (58978564172563).

Almost surely, 2^{202212220020212} is an apocalyptic number.

It is an amenable number.

202212220020212 is a deficient number, since it is larger than the sum of its proper divisors (151659165015166).

202212220020212 is a wasteful number, since it uses less digits than its factorization.

202212220020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50553055005057 (or 50553055005055 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 202212220020212 its reverse (212020022212202), we get a palindrome (414232242232414).

The spelling of 202212220020212 in words is "two hundred two trillion, two hundred twelve billion, two hundred twenty million, twenty thousand, two hundred twelve".