220122212210212 has 24 divisors (see below), whose sum is σ = 414879011064056. Its totient is φ = 101586711230208.

The previous prime is 220122212210189. The next prime is 220122212210231. The reversal of 220122212210212 is 212012212221022.

It can be written as a sum of positive squares in 4 ways, for example, as 54690550833636 + 165431661376576 = 7395306^2 + 12862024^2 .

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 7 ways as a sum of consecutive naturals, for example, 169261503 + ... + 170557030.

Almost surely, 2^{220122212210212} is an apocalyptic number.

It is an amenable number.

220122212210212 is a deficient number, since it is larger than the sum of its proper divisors (194756798853844).

220122212210212 is a wasteful number, since it uses less digits than its factorization.

220122212210212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339831007 (or 339831005 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 220122212210212 its reverse (212012212221022), we get a palindrome (432134424431234).

The spelling of 220122212210212 in words is "two hundred twenty trillion, one hundred twenty-two billion, two hundred twelve million, two hundred ten thousand, two hundred twelve".