12718784650003 has 4 divisors (see below), whose sum is σ = 12796814003848. Its totient is φ = 12640755296160.

The previous prime is 12718784649937. The next prime is 12718784650069. The reversal of 12718784650003 is 30005648781721.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12718784649937) and next prime (12718784650069).

It is a cyclic number.

It is not a de Polignac number, because 12718784650003 - 2⁴¹ = 10519761394451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12718784654003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39014676678 + ... + 39014677003.

It is an arithmetic number, because the mean of its divisors is an integer number (3199203500962).

Almost surely, 2^{12718784650003} is an apocalyptic number.

12718784650003 is a deficient number, since it is larger than the sum of its proper divisors (78029353845).

12718784650003 is an equidigital number, since it uses as much as digits as its factorization.

12718784650003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78029353844.

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 12718784650003 in words is "twelve trillion, seven hundred eighteen billion, seven hundred eighty-four million, six hundred fifty thousand, three".