2012232320 has 128 divisors (see below), whose sum is σ = 5675443200. Its totient is φ = 667607040.

The previous prime is 2012232307. The next prime is 2012232359. The reversal of 2012232320 is 232322102.

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131636 + ... + 146124.

It is an arithmetic number, because the mean of its divisors is an integer number (44339400).

Almost surely, 2^2012232320 is an apocalyptic number.

2012232320 is a gapful number since it is divisible by the number (20) 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 2012232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2837721600).

2012232320 is an abundant number, since it is smaller than the sum of its proper divisors (3663210880).

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

2012232320 is a wasteful number, since it uses less digits than its factorization.

2012232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14546 (or 14534 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2012232320 is about 44857.9125684644. The cubic root of 2012232320 is about 1262.4844571494.

Adding to 2012232320 its reverse (232322102), we get a palindrome (2244554422).

The spelling of 2012232320 in words is "two billion, twelve million, two hundred thirty-two thousand, three hundred twenty".