12033231320 has 64 divisors (see below), whose sum is σ = 29557059840. Its totient is φ = 4372617600.

The previous prime is 12033231293. The next prime is 12033231337. The reversal of 12033231320 is 2313233021.

12033231320 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 (20).

It is a junction number, because it is equal to n+sod(n) for n = 12033231292 and 12033231301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 664709 + ... + 682571.

It is an arithmetic number, because the mean of its divisors is an integer number (461829060).

Almost surely, 2^12033231320 is an apocalyptic number.

12033231320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12033231320 is an abundant number, since it is smaller than the sum of its proper divisors (17523828520).

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

12033231320 is a wasteful number, since it uses less digits than its factorization.

12033231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19416 (or 19412 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12033231320 its reverse (2313233021), we get a palindrome (14346464341).

The spelling of 12033231320 in words is "twelve billion, thirty-three million, two hundred thirty-one thousand, three hundred twenty".