12751317388 has 12 divisors (see below), whose sum is σ = 22316553000. Its totient is φ = 6375159392.

The previous prime is 12751317361. The next prime is 12751317443. The reversal of 12751317388 is 88371315721.

It is a super-2 number, since 2×12751317388² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64081 + ... + 172072.

It is an arithmetic number, because the mean of its divisors is an integer number (1859712750).

Almost surely, 2^12751317388 is an apocalyptic number.

It is an amenable number.

12751317388 is a deficient number, since it is larger than the sum of its proper divisors (9565235612).

12751317388 is a wasteful number, since it uses less digits than its factorization.

12751317388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249656 (or 249654 counting only the distinct ones).

The product of its digits is 282240, while the sum is 46.

The spelling of 12751317388 in words is "twelve billion, seven hundred fifty-one million, three hundred seventeen thousand, three hundred eighty-eight".