12143544534122 has 16 divisors (see below), whose sum is σ = 19287800368200. Its totient is φ = 5714314572288.

The previous prime is 12143544534089. The next prime is 12143544534161. The reversal of 12143544534122 is 22143544534121.

It can be written as a sum of positive squares in 4 ways, for example, as 11328549055681 + 814995478441 = 3365791^2 + 902771^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12143544534122.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 8536997 + ... + 9857352.

Almost surely, 2^{12143544534122} is an apocalyptic number.

12143544534122 is a deficient number, since it is larger than the sum of its proper divisors (7144255834078).

12143544534122 is a wasteful number, since it uses less digits than its factorization.

12143544534122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18413785.

The product of its digits is 460800, while the sum is 41.

Subtracting 12143544534122 from its reverse (22143544534121), we obtain a palindrome (9999999999999).

The spelling of 12143544534122 in words is "twelve trillion, one hundred forty-three billion, five hundred forty-four million, five hundred thirty-four thousand, one hundred twenty-two".