12810852648 has 128 divisors (see below), whose sum is σ = 38869632000. Its totient is φ = 3877191360.

The previous prime is 12810852647. The next prime is 12810852667. The reversal of 12810852648 is 84625801821.

12810852648 is a `hidden beast` number, since 1 + 2 + 81 + 0 + 8 + 526 + 48 = 666.

12810852648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12810852648² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12810852647) 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 31 ways as a sum of consecutive naturals, for example, 2180611 + ... + 2186477.

It is an arithmetic number, because the mean of its divisors is an integer number (303669000).

Almost surely, 2^12810852648 is an apocalyptic number.

12810852648 is a gapful number since it is divisible by the number (18) 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 12810852648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19434816000).

12810852648 is an abundant number, since it is smaller than the sum of its proper divisors (26058779352).

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

12810852648 is a wasteful number, since it uses less digits than its factorization.

12810852648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6812 (or 6802 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The spelling of 12810852648 in words is "twelve billion, eight hundred ten million, eight hundred fifty-two thousand, six hundred forty-eight".