12788612737 has 2 divisors, whose sum is σ = 12788612738. Its totient is φ = 12788612736.

The previous prime is 12788612719. The next prime is 12788612801. The reversal of 12788612737 is 73721688721.

12788612737 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12311233936 + 477378801 = 110956^2 + 21849^2 .

It is a cyclic number.

It is not a de Polignac number, because 12788612737 - 2⁷ = 12788612609 is a prime.

It is not a weakly prime, because it can be changed into another prime (12788612717) by changing a digit.

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 as a sum of consecutive naturals, namely, 6394306368 + 6394306369.

It is an arithmetic number, because the mean of its divisors is an integer number (6394306369).

Almost surely, 2^12788612737 is an apocalyptic number.

It is an amenable number.

12788612737 is a deficient number, since it is larger than the sum of its proper divisors (1).

12788612737 is an equidigital number, since it uses as much as digits as its factorization.

12788612737 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1580544, while the sum is 52.

The spelling of 12788612737 in words is "twelve billion, seven hundred eighty-eight million, six hundred twelve thousand, seven hundred thirty-seven".