12258844320 has 96 divisors (see below), whose sum is σ = 38666738880. Its totient is φ = 3264675840.

The previous prime is 12258844253. The next prime is 12258844337. The reversal of 12258844320 is 2344885221.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 352515 + ... + 385725.

It is an arithmetic number, because the mean of its divisors is an integer number (402778530).

Almost surely, 2^12258844320 is an apocalyptic number.

12258844320 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 12258844320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19333369440).

12258844320 is an abundant number, since it is smaller than the sum of its proper divisors (26407894560).

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

12258844320 is a wasteful number, since it uses less digits than its factorization.

12258844320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33998 (or 33990 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 39.

The spelling of 12258844320 in words is "twelve billion, two hundred fifty-eight million, eight hundred forty-four thousand, three hundred twenty".