12628671625 has 8 divisors (see below), whose sum is σ = 15760582344. Its totient is φ = 10102937200.

The previous prime is 12628671599. The next prime is 12628671647. The reversal of 12628671625 is 52617682621.

12628671625 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 3398073849 + 9230597776 = 58293^2 + 96076^2 .

It is not a de Polignac number, because 12628671625 - 2⁹ = 12628671113 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 50514562 + ... + 50514811.

It is an arithmetic number, because the mean of its divisors is an integer number (1970072793).

Almost surely, 2^12628671625 is an apocalyptic number.

It is an amenable number.

12628671625 is a deficient number, since it is larger than the sum of its proper divisors (3131910719).

12628671625 is an equidigital number, since it uses as much as digits as its factorization.

12628671625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101029388 (or 101029378 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The spelling of 12628671625 in words is "twelve billion, six hundred twenty-eight million, six hundred seventy-one thousand, six hundred twenty-five".