12386506355329 has 2 divisors, whose sum is σ = 12386506355330. Its totient is φ = 12386506355328.

The previous prime is 12386506355303. The next prime is 12386506355359. The reversal of 12386506355329 is 92355360568321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10743874506225 + 1642631849104 = 3277785^2 + 1281652^2 .

It is an emirp because it is prime and its reverse (92355360568321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12386506355329 - 2¹⁹ = 12386505831041 is a prime.

It is not a weakly prime, because it can be changed into another prime (12386506355359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6193253177664 + 6193253177665.

It is an arithmetic number, because the mean of its divisors is an integer number (6193253177665).

Almost surely, 2^{12386506355329} is an apocalyptic number.

It is an amenable number.

12386506355329 is a deficient number, since it is larger than the sum of its proper divisors (1).

12386506355329 is an equidigital number, since it uses as much as digits as its factorization.

12386506355329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992000, while the sum is 58.

The spelling of 12386506355329 in words is "twelve trillion, three hundred eighty-six billion, five hundred six million, three hundred fifty-five thousand, three hundred twenty-nine".