12321117024 has 48 divisors (see below), whose sum is σ = 32523664320. Its totient is φ = 4084088960.

The previous prime is 12321116971. The next prime is 12321117037. The reversal of 12321117024 is 42071112321.

12321117024 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 12321116985 and 12321117003.

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 7 ways as a sum of consecutive naturals, for example, 341322 + ... + 375689.

It is an arithmetic number, because the mean of its divisors is an integer number (677576340).

Almost surely, 2^12321117024 is an apocalyptic number.

It is an amenable number.

12321117024 is an abundant number, since it is smaller than the sum of its proper divisors (20202547296).

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

12321117024 is a wasteful number, since it uses less digits than its factorization.

12321117024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 717203 (or 717195 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

Adding to 12321117024 its reverse (42071112321), we get a palindrome (54392229345).

The spelling of 12321117024 in words is "twelve billion, three hundred twenty-one million, one hundred seventeen thousand, twenty-four".