2160312 has 96 divisors (see below), whose sum is σ = 6894720. Its totient is φ = 557760.

The previous prime is 2160311. The next prime is 2160337. The reversal of 2160312 is 2130612.

2160312 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 2160291 and 2160300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2160311) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 12853 + ... + 13019.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

2^2160312 is an apocalyptic number.

2160312 is a gapful number since it is divisible by the number (22) 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 2160312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3447360).

2160312 is an abundant number, since it is smaller than the sum of its proper divisors (4734408).

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

2160312 is a wasteful number, since it uses less digits than its factorization.

2160312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201 (or 190 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2160312 is about 1469.7999863927. The cubic root of 2160312 is about 129.2723050247.

Adding to 2160312 its reverse (2130612), we get a palindrome (4290924).

The spelling of 2160312 in words is "two million, one hundred sixty thousand, three hundred twelve".