2112318 has 80 divisors (see below), whose sum is σ = 5488560. Its totient is φ = 601344.

The previous prime is 2112307. The next prime is 2112323. The reversal of 2112318 is 8132112.

2112318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2112318.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35773 + ... + 35831.

It is an arithmetic number, because the mean of its divisors is an integer number (68607).

2^2112318 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112318, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2744280).

2112318 is an abundant number, since it is smaller than the sum of its proper divisors (3376242).

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

2112318 is a wasteful number, since it uses less digits than its factorization.

2112318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103 (or 94 counting only the distinct ones).

The product of its digits is 96, while the sum is 18.

The square root of 2112318 is about 1453.3815741229. The cubic root of 2112318 is about 128.3078122448.

The spelling of 2112318 in words is "two million, one hundred twelve thousand, three hundred eighteen".