12145544700479 has 2 divisors, whose sum is σ = 12145544700480. Its totient is φ = 12145544700478.

The previous prime is 12145544700397. The next prime is 12145544700551. The reversal of 12145544700479 is 97400744554121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12145544700479 - 2²⁰ = 12145543651903 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12145544700479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12145544000479) 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, 6072772350239 + 6072772350240.

It is an arithmetic number, because the mean of its divisors is an integer number (6072772350240).

Almost surely, 2^{12145544700479} is an apocalyptic number.

12145544700479 is a deficient number, since it is larger than the sum of its proper divisors (1).

12145544700479 is an equidigital number, since it uses as much as digits as its factorization.

12145544700479 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5644800, while the sum is 53.

The spelling of 12145544700479 in words is "twelve trillion, one hundred forty-five billion, five hundred forty-four million, seven hundred thousand, four hundred seventy-nine".