12338344320 has 512 divisors, whose sum is σ = 43623360000. Its totient is φ = 2953445376.

The previous prime is 12338344223. The next prime is 12338344339. The reversal of 12338344320 is 2344383321.

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, 82807606 + ... + 82807754.

It is an arithmetic number, because the mean of its divisors is an integer number (85201875).

Almost surely, 2^12338344320 is an apocalyptic number.

12338344320 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 12338344320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21811680000).

12338344320 is an abundant number, since it is smaller than the sum of its proper divisors (31285015680).

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

12338344320 is a wasteful number, since it uses less digits than its factorization.

12338344320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290 (or 278 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 33.

The spelling of 12338344320 in words is "twelve billion, three hundred thirty-eight million, three hundred forty-four thousand, three hundred twenty".