12630128755 has 16 divisors (see below), whose sum is σ = 15219167040. Its totient is φ = 10062177408.

The previous prime is 12630128741. The next prime is 12630128783. The reversal of 12630128755 is 55782103621.

12630128755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12630128755 - 2⁹ = 12630128243 is a prime.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1362426 + ... + 1371664.

It is an arithmetic number, because the mean of its divisors is an integer number (951197940).

Almost surely, 2^12630128755 is an apocalyptic number.

12630128755 is a deficient number, since it is larger than the sum of its proper divisors (2589038285).

12630128755 is an equidigital number, since it uses as much as digits as its factorization.

12630128755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10350.

The product of its (nonzero) digits is 100800, while the sum is 40.

The spelling of 12630128755 in words is "twelve billion, six hundred thirty million, one hundred twenty-eight thousand, seven hundred fifty-five".