112121302312 has 32 divisors (see below), whose sum is σ = 215757017280. Its totient is φ = 54605125120.

The previous prime is 112121302301. The next prime is 112121302421. The reversal of 112121302312 is 213203121211.

It is a self number, because there is not a number n which added to its sum of digits gives 112121302312.

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, 1141993 + ... + 1236280.

It is an arithmetic number, because the mean of its divisors is an integer number (6742406790).

Almost surely, 2^112121302312 is an apocalyptic number.

It is an amenable number.

112121302312 is a deficient number, since it is larger than the sum of its proper divisors (103635714968).

112121302312 is a wasteful number, since it uses less digits than its factorization.

112121302312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2378433 (or 2378429 counting only the distinct ones).

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

Adding to 112121302312 its reverse (213203121211), we get a palindrome (325324423523).

The spelling of 112121302312 in words is "one hundred twelve billion, one hundred twenty-one million, three hundred two thousand, three hundred twelve".