12344667568 has 80 divisors (see below), whose sum is σ = 25892628480. Its totient is φ = 5688603648.

The previous prime is 12344667563. The next prime is 12344667581. The reversal of 12344667568 is 86576644321.

It is not an unprimeable number, because it can be changed into a prime (12344667563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 903121 + ... + 916687.

It is an arithmetic number, because the mean of its divisors is an integer number (323657856).

Almost surely, 2^12344667568 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12344667568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12946314240).

12344667568 is an abundant number, since it is smaller than the sum of its proper divisors (13547960912).

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

12344667568 is a wasteful number, since it uses less digits than its factorization.

12344667568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13694 (or 13688 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 52.

The spelling of 12344667568 in words is "twelve billion, three hundred forty-four million, six hundred sixty-seven thousand, five hundred sixty-eight".