12765012499 has 8 divisors (see below), whose sum is σ = 12899101040. Its totient is φ = 12630974976.

The previous prime is 12765012487. The next prime is 12765012503. The reversal of 12765012499 is 99421056721.

12765012499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12765012499 - 2⁵ = 12765012467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12765010499) 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 in 7 ways as a sum of consecutive naturals, for example, 693487 + ... + 711655.

It is an arithmetic number, because the mean of its divisors is an integer number (1612387630).

Almost surely, 2^12765012499 is an apocalyptic number.

12765012499 is a deficient number, since it is larger than the sum of its proper divisors (134088541).

12765012499 is an equidigital number, since it uses as much as digits as its factorization.

12765012499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25509.

The product of its (nonzero) digits is 272160, while the sum is 46.

The spelling of 12765012499 in words is "twelve billion, seven hundred sixty-five million, twelve thousand, four hundred ninety-nine".