12459042503 has 4 divisors (see below), whose sum is σ = 12482865288. Its totient is φ = 12435219720.

The previous prime is 12459042493. The next prime is 12459042511. The reversal of 12459042503 is 30524095421.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12459042503 - 2⁴ = 12459042487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12459042593) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11910608 + ... + 11911653.

It is an arithmetic number, because the mean of its divisors is an integer number (3120716322).

Almost surely, 2^12459042503 is an apocalyptic number.

12459042503 is a deficient number, since it is larger than the sum of its proper divisors (23822785).

12459042503 is an equidigital number, since it uses as much as digits as its factorization.

12459042503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23822784.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 12459042503 in words is "twelve billion, four hundred fifty-nine million, forty-two thousand, five hundred three".