12424336320 has 448 divisors, whose sum is σ = 44558346240. Its totient is φ = 2907340800.

The previous prime is 12424336273. The next prime is 12424336381. The reversal of 12424336320 is 2363342421.

It is a super-2 number, since 2×12424336320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44214580 + ... + 44214860.

Almost surely, 2^12424336320 is an apocalyptic number.

12424336320 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 12424336320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22279173120).

12424336320 is an abundant number, since it is smaller than the sum of its proper divisors (32134009920).

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

12424336320 is a wasteful number, since it uses less digits than its factorization.

12424336320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 12424336320 its reverse (2363342421), we get a palindrome (14787678741).

The spelling of 12424336320 in words is "twelve billion, four hundred twenty-four million, three hundred thirty-six thousand, three hundred twenty".