12530501403 has 32 divisors (see below), whose sum is σ = 19507752960. Its totient is φ = 7006586400.

The previous prime is 12530501371. The next prime is 12530501441. The reversal of 12530501403 is 30410503521.

12530501403 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12530501403 - 2⁵ = 12530501371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12530501443) 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 31 ways as a sum of consecutive naturals, for example, 182968 + ... + 241946.

It is an arithmetic number, because the mean of its divisors is an integer number (609617280).

Almost surely, 2^12530501403 is an apocalyptic number.

12530501403 is a deficient number, since it is larger than the sum of its proper divisors (6977251557).

12530501403 is a wasteful number, since it uses less digits than its factorization.

12530501403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59207.

The product of its (nonzero) digits is 1800, while the sum is 24.

The spelling of 12530501403 in words is "twelve billion, five hundred thirty million, five hundred one thousand, four hundred three".