202112222212 has 12 divisors (see below), whose sum is σ = 353747571660. Its totient is φ = 101041487456.

The previous prime is 202112222111. The next prime is 202112222287. The reversal of 202112222212 is 212222211202.

It can be written as a sum of positive squares in 2 ways, for example, as 163332372736 + 38779849476 = 404144^2 + 196926^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202112222212.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3624787 + ... + 3680122.

It is an arithmetic number, because the mean of its divisors is an integer number (29478964305).

Almost surely, 2^202112222212 is an apocalyptic number.

It is an amenable number.

202112222212 is a deficient number, since it is larger than the sum of its proper divisors (151635349448).

202112222212 is a wasteful number, since it uses less digits than its factorization.

202112222212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7311830 (or 7311828 counting only the distinct ones).

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

Adding to 202112222212 its reverse (212222211202), we get a palindrome (414334433414).

The spelling of 202112222212 in words is "two hundred two billion, one hundred twelve million, two hundred twenty-two thousand, two hundred twelve".