12548079644520 has 256 divisors, whose sum is σ = 43721449574400. Its totient is φ = 2821674885120.

The previous prime is 12548079644509. The next prime is 12548079644521. The reversal of 12548079644520 is 2544697084521.

It is not an unprimeable number, because it can be changed into a prime (12548079644521) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27626616 + ... + 28077144.

It is an arithmetic number, because the mean of its divisors is an integer number (170786912400).

Almost surely, 2^{12548079644520} is an apocalyptic number.

12548079644520 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 12548079644520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21860724787200).

12548079644520 is an abundant number, since it is smaller than the sum of its proper divisors (31173369929880).

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

12548079644520 is a wasteful number, since it uses less digits than its factorization.

12548079644520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451088 (or 451084 counting only the distinct ones).

The product of its (nonzero) digits is 19353600, while the sum is 57.

The spelling of 12548079644520 in words is "twelve trillion, five hundred forty-eight billion, seventy-nine million, six hundred forty-four thousand, five hundred twenty".