12344320000 has 140 divisors (see below), whose sum is σ = 30861836676. Its totient is φ = 4935680000.

The previous prime is 12344319997. The next prime is 12344320013. The reversal of 12344320000 is 2344321.

It is a self number, because there is not a number n which added to its sum of digits gives 12344320000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5118795 + ... + 5121205.

Almost surely, 2^12344320000 is an apocalyptic number.

12344320000 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 12344320000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15430918338).

12344320000 is an abundant number, since it is smaller than the sum of its proper divisors (18517516676).

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

12344320000 is an frugal number, since it uses more digits than its factorization.

12344320000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2457 (or 2418 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 12344320000 its reverse (2344321), we get a palindrome (12346664321).

It can be divided in two parts, 1234 and 4320000, that added together give a palindrome (4321234).

The spelling of 12344320000 in words is "twelve billion, three hundred forty-four million, three hundred twenty thousand".