12648803527133 has 4 divisors (see below), whose sum is σ = 12649061352060. Its totient is φ = 12648545702208.

The previous prime is 12648803527111. The next prime is 12648803527153. The reversal of 12648803527133 is 33172530884621.

It is a happy number.

12648803527133 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 can be written as a sum of positive squares in 2 ways, for example, as 2439775272484 + 10209028254649 = 1561978^2 + 3195157^2 .

It is a cyclic number.

It is not a de Polignac number, because 12648803527133 - 2⁶ = 12648803527069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648803527103) 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, 128838860 + ... + 128936997.

It is an arithmetic number, because the mean of its divisors is an integer number (3162265338015).

Almost surely, 2^{12648803527133} is an apocalyptic number.

It is an amenable number.

12648803527133 is a deficient number, since it is larger than the sum of its proper divisors (257824927).

12648803527133 is an equidigital number, since it uses as much as digits as its factorization.

12648803527133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257824926.

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 12648803527133 in words is "twelve trillion, six hundred forty-eight billion, eight hundred three million, five hundred twenty-seven thousand, one hundred thirty-three".