2112312 has 32 divisors (see below), whose sum is σ = 5316480. Its totient is φ = 699360.

The previous prime is 2112307. The next prime is 2112323. The reversal of 2112312 is 2132112.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

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, 6637 + ... + 6947.

It is an arithmetic number, because the mean of its divisors is an integer number (166140).

2^2112312 is an apocalyptic number.

It is an amenable number.

2112312 is an abundant number, since it is smaller than the sum of its proper divisors (3204168).

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

2112312 is a wasteful number, since it uses less digits than its factorization.

2112312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603 (or 599 counting only the distinct ones).

The product of its digits is 24, while the sum is 12.

The square root of 2112312 is about 1453.3795099698. The cubic root of 2112312 is about 128.3076907594.

Adding to 2112312 its reverse (2132112), we get a palindrome (4244424).

The spelling of 2112312 in words is "two million, one hundred twelve thousand, three hundred twelve".