202221222122212 has 12 divisors (see below), whose sum is σ = 353887253598256. Its totient is φ = 101110578237000.

The previous prime is 202221222122197. The next prime is 202221222122237. The reversal of 202221222122212 is 212221222122202.

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, 10285603 + ... + 22588405.

Almost surely, 2^{202221222122212} is an apocalyptic number.

It is an amenable number.

202221222122212 is a deficient number, since it is larger than the sum of its proper divisors (151666031476044).

202221222122212 is a wasteful number, since it uses less digits than its factorization.

202221222122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16412058 (or 16412056 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 202221222122212 its reverse (212221222122202), we get a palindrome (414442444244414).

The spelling of 202221222122212 in words is "two hundred two trillion, two hundred twenty-one billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred twelve".