12306393743618 has 32 divisors (see below), whose sum is σ = 20627327595504. Its totient is φ = 5469391060992.

The previous prime is 12306393743617. The next prime is 12306393743641. The reversal of 12306393743618 is 81634739360321.

It can be written as a sum of positive squares in 8 ways, for example, as 9922077904489 + 2384315839129 = 3149933^2 + 1544123^2 .

It is not an unprimeable number, because it can be changed into a prime (12306393743617) 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 15 ways as a sum of consecutive naturals, for example, 65847455 + ... + 66034082.

Almost surely, 2^{12306393743618} is an apocalyptic number.

12306393743618 is a deficient number, since it is larger than the sum of its proper divisors (8320933851886).

12306393743618 is a wasteful number, since it uses less digits than its factorization.

12306393743618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131881686.

The product of its (nonzero) digits is 11757312, while the sum is 56.

The spelling of 12306393743618 in words is "twelve trillion, three hundred six billion, three hundred ninety-three million, seven hundred forty-three thousand, six hundred eighteen".