12585903530 has 8 divisors (see below), whose sum is σ = 22654626372. Its totient is φ = 5034361408.

The previous prime is 12585903529. The next prime is 12585903557. The reversal of 12585903530 is 3530958521.

12585903530 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12536609089 + 49294441 = 111967^2 + 7021^2 .

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

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 3 ways as a sum of consecutive naturals, for example, 629295167 + ... + 629295186.

Almost surely, 2^12585903530 is an apocalyptic number.

12585903530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12585903530 is a deficient number, since it is larger than the sum of its proper divisors (10068722842).

12585903530 is a wasteful number, since it uses less digits than its factorization.

12585903530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258590360.

The product of its (nonzero) digits is 162000, while the sum is 41.

The spelling of 12585903530 in words is "twelve billion, five hundred eighty-five million, nine hundred three thousand, five hundred thirty".