12517130203 has 4 divisors (see below), whose sum is σ = 12517410528. Its totient is φ = 12516849880.

The previous prime is 12517130189. The next prime is 12517130207. The reversal of 12517130203 is 30203171521.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30203171521 = 37 ⋅816301933.

It is a cyclic number.

It is not a de Polignac number, because 12517130203 - 2³³ = 3927195611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12517130207) 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, 56563 + ... + 168028.

It is an arithmetic number, because the mean of its divisors is an integer number (3129352632).

Almost surely, 2^12517130203 is an apocalyptic number.

12517130203 is a deficient number, since it is larger than the sum of its proper divisors (280325).

12517130203 is an equidigital number, since it uses as much as digits as its factorization.

12517130203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280324.

The product of its (nonzero) digits is 1260, while the sum is 25.

The spelling of 12517130203 in words is "twelve billion, five hundred seventeen million, one hundred thirty thousand, two hundred three".