12321120024 has 48 divisors (see below), whose sum is σ = 33537426000. Its totient is φ = 4086396864.

The previous prime is 12321120017. The next prime is 12321120041. The reversal of 12321120024 is 42002112321.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12321119979 and 12321120006.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415639 + ... + 444294.

It is an arithmetic number, because the mean of its divisors is an integer number (698696375).

Almost surely, 2^12321120024 is an apocalyptic number.

It is an amenable number.

12321120024 is an abundant number, since it is smaller than the sum of its proper divisors (21216305976).

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

12321120024 is a wasteful number, since it uses less digits than its factorization.

12321120024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 860144 (or 860137 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 12321120024 its reverse (42002112321), we get a palindrome (54323232345).

The spelling of 12321120024 in words is "twelve billion, three hundred twenty-one million, one hundred twenty thousand, twenty-four".