2123112 has 16 divisors (see below), whose sum is σ = 5307840. Its totient is φ = 707696.

The previous prime is 2123087. The next prime is 2123123. The reversal of 2123112 is 2113212.

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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44208 + ... + 44255.

It is an arithmetic number, because the mean of its divisors is an integer number (331740).

2^2123112 is an apocalyptic number.

It is an amenable number.

2123112 is an abundant number, since it is smaller than the sum of its proper divisors (3184728).

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

2123112 is a wasteful number, since it uses less digits than its factorization.

2123112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88472 (or 88468 counting only the distinct ones).

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

The square root of 2123112 is about 1457.0902511512. The cubic root of 2123112 is about 128.5259931167.

Adding to 2123112 its reverse (2113212), we get a palindrome (4236324).

The spelling of 2123112 in words is "two million, one hundred twenty-three thousand, one hundred twelve".