12751030528 has 18 divisors (see below), whose sum is σ = 25452252854. Its totient is φ = 6375515136.

The previous prime is 12751030469. The next prime is 12751030529. The reversal of 12751030528 is 82503015721.

It can be written as a sum of positive squares in only one way, i.e., 9866051584 + 2884978944 = 99328^2 + 53712^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12751030493 and 12751030502.

It is not an unprimeable number, because it can be changed into a prime (12751030529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24904101 + ... + 24904612.

Almost surely, 2^12751030528 is an apocalyptic number.

It is an amenable number.

12751030528 is a deficient number, since it is larger than the sum of its proper divisors (12701222326).

12751030528 is an frugal number, since it uses more digits than its factorization.

12751030528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49808729 (or 49808715 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 34.

The spelling of 12751030528 in words is "twelve billion, seven hundred fifty-one million, thirty thousand, five hundred twenty-eight".