113221242122312 has 32 divisors (see below), whose sum is σ = 215888857740000. Its totient is φ = 55650888023808.

The previous prime is 113221242122257. The next prime is 113221242122363. The reversal of 113221242122312 is 213221242122311.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192607739 + ... + 193194677.

It is an arithmetic number, because the mean of its divisors is an integer number (6746526804375).

Almost surely, 2^{113221242122312} is an apocalyptic number.

It is an amenable number.

113221242122312 is a deficient number, since it is larger than the sum of its proper divisors (102667615617688).

113221242122312 is a wasteful number, since it uses less digits than its factorization.

113221242122312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 995693 (or 995689 counting only the distinct ones).

The product of its digits is 4608, while the sum is 29.

Adding to 113221242122312 its reverse (213221242122311), we get a palindrome (326442484244623).

Subtracting 113221242122312 from its reverse (213221242122311), we obtain a palindrome (99999999999999).

The spelling of 113221242122312 in words is "one hundred thirteen trillion, two hundred twenty-one billion, two hundred forty-two million, one hundred twenty-two thousand, three hundred twelve".