12480728832 has 864 divisors, whose sum is σ = 46498023936. Its totient is φ = 3284582400.

The previous prime is 12480728807. The next prime is 12480728833. The reversal of 12480728832 is 23882708421.

12480728832 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (864).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12480728833) by changing a digit.

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 95 ways as a sum of consecutive naturals, for example, 204602082 + ... + 204602142.

Almost surely, 2^12480728832 is an apocalyptic number.

12480728832 is a gapful number since it is divisible by the number (12) 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 12480728832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23249011968).

12480728832 is an abundant number, since it is smaller than the sum of its proper divisors (34017295104).

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

12480728832 is a wasteful number, since it uses less digits than its factorization.

12480728832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 12480728832 in words is "twelve billion, four hundred eighty million, seven hundred twenty-eight thousand, eight hundred thirty-two".