112212312 has 64 divisors (see below), whose sum is σ = 295833600. Its totient is φ = 35416320.

The previous prime is 112212307. The next prime is 112212371. The reversal of 112212312 is 213212211.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 112212291 and 112212300.

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, 33364 + ... + 36572.

It is an arithmetic number, because the mean of its divisors is an integer number (4622400).

Almost surely, 2^112212312 is an apocalyptic number.

112212312 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 112212312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147916800).

112212312 is an abundant number, since it is smaller than the sum of its proper divisors (183621288).

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

112212312 is a wasteful number, since it uses less digits than its factorization.

112212312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3296 (or 3292 counting only the distinct ones).

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

The square root of 112212312 is about 10593.0312942047. The cubic root of 112212312 is about 482.3328451741.

Adding to 112212312 its reverse (213212211), we get a palindrome (325424523).

The spelling of 112212312 in words is "one hundred twelve million, two hundred twelve thousand, three hundred twelve".