12756123707 has 2 divisors, whose sum is σ = 12756123708. Its totient is φ = 12756123706.

The previous prime is 12756123637. The next prime is 12756123739. The reversal of 12756123707 is 70732165721.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12756123707 - 2²⁸ = 12487688251 is a prime.

It is not a weakly prime, because it can be changed into another prime (12756126707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6378061853 + 6378061854.

It is an arithmetic number, because the mean of its divisors is an integer number (6378061854).

Almost surely, 2^12756123707 is an apocalyptic number.

12756123707 is a deficient number, since it is larger than the sum of its proper divisors (1).

12756123707 is an equidigital number, since it uses as much as digits as its factorization.

12756123707 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 12756123707 in words is "twelve billion, seven hundred fifty-six million, one hundred twenty-three thousand, seven hundred seven".