12164446278143 has 2 divisors, whose sum is σ = 12164446278144. Its totient is φ = 12164446278142.

The previous prime is 12164446278073. The next prime is 12164446278163. The reversal of 12164446278143 is 34187264446121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12164446278143 - 2⁸ = 12164446277887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12164446278163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6082223139071 + 6082223139072.

It is an arithmetic number, because the mean of its divisors is an integer number (6082223139072).

Almost surely, 2^{12164446278143} is an apocalyptic number.

12164446278143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12164446278143 is an equidigital number, since it uses as much as digits as its factorization.

12164446278143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6193152, while the sum is 53.

The spelling of 12164446278143 in words is "twelve trillion, one hundred sixty-four billion, four hundred forty-six million, two hundred seventy-eight thousand, one hundred forty-three".