122001222112 has 96 divisors (see below), whose sum is σ = 303675692544. Its totient is φ = 46863398400.

The previous prime is 122001222071. The next prime is 122001222127. The reversal of 122001222112 is 211222100221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 173743 + ... + 523630.

It is an arithmetic number, because the mean of its divisors is an integer number (3163288464).

Almost surely, 2^122001222112 is an apocalyptic number.

It is an amenable number.

122001222112 is an abundant number, since it is smaller than the sum of its proper divisors (181674470432).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122001222112 is a wasteful number, since it uses less digits than its factorization.

122001222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697472 (or 697464 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 122001222112 its reverse (211222100221), we get a palindrome (333223322333).

The spelling of 122001222112 in words is "one hundred twenty-two billion, one million, two hundred twenty-two thousand, one hundred twelve".