122211120212 has 12 divisors (see below), whose sum is σ = 214026611316. Its totient is φ = 61060659840.

The previous prime is 122211120209. The next prime is 122211120299. The reversal of 122211120212 is 212021112221.

It can be written as a sum of positive squares in 2 ways, for example, as 83968971076 + 38242149136 = 289774^2 + 195556^2 .

It is a congruent number.

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, 11218943 + ... + 11229830.

It is an arithmetic number, because the mean of its divisors is an integer number (17835550943).

Almost surely, 2^122211120212 is an apocalyptic number.

It is an amenable number.

122211120212 is a deficient number, since it is larger than the sum of its proper divisors (91815491104).

122211120212 is a wasteful number, since it uses less digits than its factorization.

122211120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22450138 (or 22450136 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122211120212 its reverse (212021112221), we get a palindrome (334232232433).

The spelling of 122211120212 in words is "one hundred twenty-two billion, two hundred eleven million, one hundred twenty thousand, two hundred twelve".