12164614447523 has 2 divisors, whose sum is σ = 12164614447524. Its totient is φ = 12164614447522.

The previous prime is 12164614447481. The next prime is 12164614447543. The reversal of 12164614447523 is 32574441646121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (32574441646121) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12164614447523 is a prime.

It is a super-3 number, since 3×12164614447523³ (a number of 40 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (12164614447543) 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 as a sum of consecutive naturals, namely, 6082307223761 + 6082307223762.

It is an arithmetic number, because the mean of its divisors is an integer number (6082307223762).

Almost surely, 2^{12164614447523} is an apocalyptic number.

12164614447523 is a deficient number, since it is larger than the sum of its proper divisors (1).

12164614447523 is an equidigital number, since it uses as much as digits as its factorization.

12164614447523 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3870720, while the sum is 50.

The spelling of 12164614447523 in words is "twelve trillion, one hundred sixty-four billion, six hundred fourteen million, four hundred forty-seven thousand, five hundred twenty-three".