12479500320 has 288 divisors, whose sum is σ = 46007777088. Its totient is φ = 2835044352.

The previous prime is 12479500289. The next prime is 12479500331. The reversal of 12479500320 is 2300597421.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4067427 + ... + 4070493.

It is an arithmetic number, because the mean of its divisors is an integer number (159749226).

Almost surely, 2^12479500320 is an apocalyptic number.

12479500320 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 12479500320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23003888544).

12479500320 is an abundant number, since it is smaller than the sum of its proper divisors (33528276768).

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

12479500320 is a wasteful number, since it uses less digits than its factorization.

12479500320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3272 (or 3257 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The spelling of 12479500320 in words is "twelve billion, four hundred seventy-nine million, five hundred thousand, three hundred twenty".