112121320312 has 16 divisors (see below), whose sum is σ = 210231027360. Its totient is φ = 56059713024.

The previous prime is 112121320307. The next prime is 112121320351. The reversal of 112121320312 is 213023121211.

It is a super-2 number, since 2×112121320312² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 112121320312.

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, 877528 + ... + 997144.

It is an arithmetic number, because the mean of its divisors is an integer number (13139439210).

Almost surely, 2^112121320312 is an apocalyptic number.

It is an amenable number.

112121320312 is a deficient number, since it is larger than the sum of its proper divisors (98109707048).

112121320312 is a wasteful number, since it uses less digits than its factorization.

112121320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236790 (or 236786 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 112121320312 its reverse (213023121211), we get a palindrome (325144441523).

The spelling of 112121320312 in words is "one hundred twelve billion, one hundred twenty-one million, three hundred twenty thousand, three hundred twelve".