12443104522503 has 12 divisors (see below), whose sum is σ = 17988069350160. Its totient is φ = 8288620176096.

The previous prime is 12443104522493. The next prime is 12443104522549. The reversal of 12443104522503 is 30522540134421.

It is a happy number.

12443104522503 is a `hidden beast` number, since 1 + 2 + 4 + 43 + 104 + 5 + 2 + 2 + 503 = 666.

It is not a de Polignac number, because 12443104522503 - 2¹⁰ = 12443104521479 is a prime.

It is a super-2 number, since 2×12443104522503² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12443104522573) 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 in 11 ways as a sum of consecutive naturals, for example, 565224958 + ... + 565246971.

It is an arithmetic number, because the mean of its divisors is an integer number (1499005779180).

Almost surely, 2^{12443104522503} is an apocalyptic number.

12443104522503 is a deficient number, since it is larger than the sum of its proper divisors (5544964827657).

12443104522503 is a wasteful number, since it uses less digits than its factorization.

12443104522503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130473158 (or 1130473155 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 12443104522503 its reverse (30522540134421), we get a palindrome (42965644656924).

The spelling of 12443104522503 in words is "twelve trillion, four hundred forty-three billion, one hundred four million, five hundred twenty-two thousand, five hundred three".