12331424321344 has 42 divisors (see below), whose sum is σ = 24635504516294. Its totient is φ = 6124330836480.

The previous prime is 12331424321303. The next prime is 12331424321387. The reversal of 12331424321344 is 44312342413321.

It can be written as a sum of positive squares in 3 ways, for example, as 160480360000 + 12170943961344 = 400600^2 + 3488688^2 .

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 5 ways as a sum of consecutive naturals, for example, 2918547 + ... + 5760274.

Almost surely, 2^{12331424321344} is an apocalyptic number.

It is an amenable number.

12331424321344 is a deficient number, since it is larger than the sum of its proper divisors (12304080194950).

12331424321344 is an frugal number, since it uses more digits than its factorization.

12331424321344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8679131 (or 8678972 counting only the distinct ones).

The product of its digits is 165888, while the sum is 37.

Adding to 12331424321344 its reverse (44312342413321), we get a palindrome (56643766734665).

The spelling of 12331424321344 in words is "twelve trillion, three hundred thirty-one billion, four hundred twenty-four million, three hundred twenty-one thousand, three hundred forty-four".