12321233120 has 96 divisors (see below), whose sum is σ = 33414571008. Its totient is φ = 4205726208.

The previous prime is 12321233117. The next prime is 12321233129. The reversal of 12321233120 is 2133212321.

12321233120 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 = 12321233092 and 12321233101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321233129) by changing a digit.

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, 230009 + ... + 278471.

It is an arithmetic number, because the mean of its divisors is an integer number (348068448).

Almost surely, 2^12321233120 is an apocalyptic number.

12321233120 is a gapful number since it is divisible by the number (10) 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 12321233120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16707285504).

12321233120 is an abundant number, since it is smaller than the sum of its proper divisors (21093337888).

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

12321233120 is a wasteful number, since it uses less digits than its factorization.

12321233120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48712 (or 48704 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12321233120 its reverse (2133212321), we get a palindrome (14454445441).

The spelling of 12321233120 in words is "twelve billion, three hundred twenty-one million, two hundred thirty-three thousand, one hundred twenty".