12815250143 has 2 divisors, whose sum is σ = 12815250144. Its totient is φ = 12815250142.

The previous prime is 12815250137. The next prime is 12815250163. The reversal of 12815250143 is 34105251821.

It is a weak prime.

It is an emirp because it is prime and its reverse (34105251821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12815250143 - 2⁴ = 12815250127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12815250103) 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, 6407625071 + 6407625072.

It is an arithmetic number, because the mean of its divisors is an integer number (6407625072).

Almost surely, 2^12815250143 is an apocalyptic number.

12815250143 is a deficient number, since it is larger than the sum of its proper divisors (1).

12815250143 is an equidigital number, since it uses as much as digits as its factorization.

12815250143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 12815250143 in words is "twelve billion, eight hundred fifteen million, two hundred fifty thousand, one hundred forty-three".