12648373442851 has 4 divisors (see below), whose sum is σ = 12652476064632. Its totient is φ = 12644270821072.

The previous prime is 12648373442807. The next prime is 12648373442891. The reversal of 12648373442851 is 15824437384621.

12648373442851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12648373442851 - 2¹¹ = 12648373440803 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12648373442891) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051306266 + ... + 2051312431.

It is an arithmetic number, because the mean of its divisors is an integer number (3163119016158).

Almost surely, 2^{12648373442851} is an apocalyptic number.

12648373442851 is a deficient number, since it is larger than the sum of its proper divisors (4102621781).

12648373442851 is an equidigital number, since it uses as much as digits as its factorization.

12648373442851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4102621780.

The product of its digits is 30965760, while the sum is 58.

The spelling of 12648373442851 in words is "twelve trillion, six hundred forty-eight billion, three hundred seventy-three million, four hundred forty-two thousand, eight hundred fifty-one".