202122212212 has 48 divisors (see below), whose sum is σ = 360714170880. Its totient is φ = 99076440672.

The previous prime is 202122212197. The next prime is 202122212231. The reversal of 202122212212 is 212212221202.

It is a self number, because there is not a number n which added to its sum of digits gives 202122212212.

It is a congruent number.

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, 99127089 + ... + 99129127.

It is an arithmetic number, because the mean of its divisors is an integer number (7514878560).

Almost surely, 2^202122212212 is an apocalyptic number.

It is an amenable number.

202122212212 is a deficient number, since it is larger than the sum of its proper divisors (158591958668).

202122212212 is a wasteful number, since it uses less digits than its factorization.

202122212212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3700 (or 3698 counting only the distinct ones).

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

Adding to 202122212212 its reverse (212212221202), we get a palindrome (414334433414).

The spelling of 202122212212 in words is "two hundred two billion, one hundred twenty-two million, two hundred twelve thousand, two hundred twelve".