112021020312 has 64 divisors (see below), whose sum is σ = 292613852160. Its totient is φ = 35669779200.

The previous prime is 112021020271. The next prime is 112021020361. The reversal of 112021020312 is 213020120211.

It is a junction number, because it is equal to n+sod(n) for n = 112021020291 and 112021020300.

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, 286737 + ... + 553407.

It is an arithmetic number, because the mean of its divisors is an integer number (4572091440).

Almost surely, 2^112021020312 is an apocalyptic number.

112021020312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112021020312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146306926080).

112021020312 is an abundant number, since it is smaller than the sum of its proper divisors (180592831848).

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

112021020312 is a wasteful number, since it uses less digits than its factorization.

112021020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267464 (or 267460 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 112021020312 its reverse (213020120211), we get a palindrome (325041140523).

The spelling of 112021020312 in words is "one hundred twelve billion, twenty-one million, twenty thousand, three hundred twelve".