12504240403 has 8 divisors (see below), whose sum is σ = 12528781056. Its totient is φ = 12479721600.

The previous prime is 12504240379. The next prime is 12504240409. The reversal of 12504240403 is 30404240521.

It is a happy number.

12504240403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12504240403 - 2¹³ = 12504232211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12504240409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1543323 + ... + 1551403.

It is an arithmetic number, because the mean of its divisors is an integer number (1566097632).

Almost surely, 2^12504240403 is an apocalyptic number.

12504240403 is a deficient number, since it is larger than the sum of its proper divisors (24540653).

12504240403 is an equidigital number, since it uses as much as digits as its factorization.

12504240403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10925.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 12504240403 its reverse (30404240521), we get a palindrome (42908480924).

The spelling of 12504240403 in words is "twelve billion, five hundred four million, two hundred forty thousand, four hundred three".