12703223618 has 6 divisors (see below), whose sum is σ = 19055074521. Its totient is φ = 6351532112.

The previous prime is 12703223567. The next prime is 12703223629. The reversal of 12703223618 is 81632230721.

It can be written as a sum of positive squares in 2 ways, for example, as 12611963809 + 91259809 = 112303^2 + 9553^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=79697.

It is a super-2 number, since 2×12703223618² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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 2 ways as a sum of consecutive naturals, for example, 119546 + ... + 199242.

Almost surely, 2^12703223618 is an apocalyptic number.

12703223618 is a deficient number, since it is larger than the sum of its proper divisors (6351850903).

12703223618 is an frugal number, since it uses more digits than its factorization.

12703223618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159396 (or 79699 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 12703223618 in words is "twelve billion, seven hundred three million, two hundred twenty-three thousand, six hundred eighteen".