12548196864 has 640 divisors, whose sum is σ = 45254246400. Its totient is φ = 3357573120.

The previous prime is 12548196799. The next prime is 12548196883. The reversal of 12548196864 is 46869184521.

12548196864 is a `hidden beast` number, since 1 + 2 + 548 + 1 + 96 + 8 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 12548196864.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 140990932 + ... + 140991020.

It is an arithmetic number, because the mean of its divisors is an integer number (70709760).

Almost surely, 2^12548196864 is an apocalyptic number.

12548196864 is a gapful number since it is divisible by the number (14) 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 12548196864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22627123200).

12548196864 is an abundant number, since it is smaller than the sum of its proper divisors (32706049536).

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

12548196864 is an equidigital number, since it uses as much as digits as its factorization.

12548196864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 179 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 54.

The spelling of 12548196864 in words is "twelve billion, five hundred forty-eight million, one hundred ninety-six thousand, eight hundred sixty-four".