12394984280 has 128 divisors (see below), whose sum is σ = 33660748800. Its totient is φ = 4015790592.

The previous prime is 12394984241. The next prime is 12394984313. The reversal of 12394984280 is 8248949321.

12394984280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 522926 + ... + 546114.

It is an arithmetic number, because the mean of its divisors is an integer number (262974600).

Almost surely, 2^12394984280 is an apocalyptic number.

12394984280 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 12394984280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16830374400).

12394984280 is an abundant number, since it is smaller than the sum of its proper divisors (21265764520).

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

12394984280 is a wasteful number, since it uses less digits than its factorization.

12394984280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23313 (or 23309 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The spelling of 12394984280 in words is "twelve billion, three hundred ninety-four million, nine hundred eighty-four thousand, two hundred eighty".