12321424806744 has 16 divisors (see below), whose sum is σ = 30803562016920. Its totient is φ = 4107141602240.

The previous prime is 12321424806707. The next prime is 12321424806749. The reversal of 12321424806744 is 44760842412321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12321424806693 and 12321424806702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321424806749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256696350117 + ... + 256696350164.

Almost surely, 2^{12321424806744} is an apocalyptic number.

It is an amenable number.

12321424806744 is an abundant number, since it is smaller than the sum of its proper divisors (18482137210176).

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

12321424806744 is a wasteful number, since it uses less digits than its factorization.

12321424806744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513392700290 (or 513392700286 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 48.

The spelling of 12321424806744 in words is "twelve trillion, three hundred twenty-one billion, four hundred twenty-four million, eight hundred six thousand, seven hundred forty-four".