12005230113 has 24 divisors (see below), whose sum is σ = 17613120096. Its totient is φ = 7878024000.

The previous prime is 12005230103. The next prime is 12005230183. The reversal of 12005230113 is 31103250021.

It is not a de Polignac number, because 12005230113 - 2²⁰ = 12004181537 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12005230103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 868093 + ... + 881813.

It is an arithmetic number, because the mean of its divisors is an integer number (733880004).

Almost surely, 2^12005230113 is an apocalyptic number.

It is an amenable number.

12005230113 is a deficient number, since it is larger than the sum of its proper divisors (5607889983).

12005230113 is a wasteful number, since it uses less digits than its factorization.

12005230113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15245 (or 15242 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

Adding to 12005230113 its reverse (31103250021), we get a palindrome (43108480134).

The spelling of 12005230113 in words is "twelve billion, five million, two hundred thirty thousand, one hundred thirteen".