320112120 has 32 divisors (see below), whose sum is σ = 960336720. Its totient is φ = 85363200.

The previous prime is 320112101. The next prime is 320112151. The reversal of 320112120 is 21211023.

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

It is a junction number, because it is equal to n+sod(n) for n = 320112096 and 320112105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1333681 + ... + 1333920.

Almost surely, 2^320112120 is an apocalyptic number.

320112120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

320112120 is an abundant number, since it is smaller than the sum of its proper divisors (640224600).

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

320112120 is a wasteful number, since it uses less digits than its factorization.

320112120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667615 (or 2667611 counting only the distinct ones).

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

The square root of 320112120 is about 17891.6773948113. The cubic root of 320112120 is about 684.0702537190.

Adding to 320112120 its reverse (21211023), we get a palindrome (341323143).

The spelling of 320112120 in words is "three hundred twenty million, one hundred twelve thousand, one hundred twenty".