122001222212 has 12 divisors (see below), whose sum is σ = 215460874860. Its totient is φ = 60440972256.

The previous prime is 122001222181. The next prime is 122001222229. The reversal of 122001222212 is 212222100221.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 103726508356 + 18274713856 = 322066^2 + 135184^2 .

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, 139909223 + ... + 139910094.

It is an arithmetic number, because the mean of its divisors is an integer number (17955072905).

Almost surely, 2^122001222212 is an apocalyptic number.

It is an amenable number.

122001222212 is a deficient number, since it is larger than the sum of its proper divisors (93459652648).

122001222212 is a wasteful number, since it uses less digits than its factorization.

122001222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279819430 (or 279819428 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 122001222212 its reverse (212222100221), we get a palindrome (334223322433).

The spelling of 122001222212 in words is "one hundred twenty-two billion, one million, two hundred twenty-two thousand, two hundred twelve".