2112320320 has 56 divisors (see below), whose sum is σ = 5487241248. Its totient is φ = 768115200.

The previous prime is 2112320317. The next prime is 2112320321. The reversal of 2112320320 is 230232112.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2112320294 and 2112320303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2112320321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 296526 + ... + 303565.

Almost surely, 2^2112320320 is an apocalyptic number.

2112320320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2112320320 is an abundant number, since it is smaller than the sum of its proper divisors (3374920928).

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

2112320320 is a wasteful number, since it uses less digits than its factorization.

2112320320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 600119 (or 600109 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2112320320 is about 45959.9860748456. The cubic root of 2112320320 is about 1283.0785921914.

Adding to 2112320320 its reverse (230232112), we get a palindrome (2342552432).

The spelling of 2112320320 in words is "two billion, one hundred twelve million, three hundred twenty thousand, three hundred twenty".