12321114344 has 128 divisors (see below), whose sum is σ = 31241790720. Its totient is φ = 4407705600.

The previous prime is 12321114241. The next prime is 12321114347. The reversal of 12321114344 is 44341112321.

12321114344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12321114347) 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 31 ways as a sum of consecutive naturals, for example, 415004 + ... + 443700.

It is an arithmetic number, because the mean of its divisors is an integer number (244076490).

Almost surely, 2^12321114344 is an apocalyptic number.

12321114344 is a gapful number since it is divisible by the number (14) 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 12321114344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15620895360).

12321114344 is an abundant number, since it is smaller than the sum of its proper divisors (18920676376).

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

12321114344 is a wasteful number, since it uses less digits than its factorization.

12321114344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28779 (or 28775 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

Adding to 12321114344 its reverse (44341112321), we get a palindrome (56662226665).

The spelling of 12321114344 in words is "twelve billion, three hundred twenty-one million, one hundred fourteen thousand, three hundred forty-four".