12765012503 has 2 divisors, whose sum is σ = 12765012504. Its totient is φ = 12765012502.

The previous prime is 12765012487. The next prime is 12765012521. The reversal of 12765012503 is 30521056721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12765012503 - 2⁴ = 12765012487 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 12765012503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12765012203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6382506251 + 6382506252.

It is an arithmetic number, because the mean of its divisors is an integer number (6382506252).

Almost surely, 2^12765012503 is an apocalyptic number.

12765012503 is a deficient number, since it is larger than the sum of its proper divisors (1).

12765012503 is an equidigital number, since it uses as much as digits as its factorization.

12765012503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600, while the sum is 32.

The spelling of 12765012503 in words is "twelve billion, seven hundred sixty-five million, twelve thousand, five hundred three".