12126516763 has 2 divisors, whose sum is σ = 12126516764. Its totient is φ = 12126516762.

The previous prime is 12126516751. The next prime is 12126516767. The reversal of 12126516763 is 36761562121.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12126516763 is a prime.

It is not a weakly prime, because it can be changed into another prime (12126516767) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6063258381 + 6063258382.

It is an arithmetic number, because the mean of its divisors is an integer number (6063258382).

Almost surely, 2^12126516763 is an apocalyptic number.

12126516763 is a deficient number, since it is larger than the sum of its proper divisors (1).

12126516763 is an equidigital number, since it uses as much as digits as its factorization.

12126516763 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The spelling of 12126516763 in words is "twelve billion, one hundred twenty-six million, five hundred sixteen thousand, seven hundred sixty-three".