12000230131 has 4 divisors (see below), whose sum is σ = 12414031200. Its totient is φ = 11586429064.

The previous prime is 12000230111. The next prime is 12000230213. The reversal of 12000230131 is 13103200021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12000230131 is a prime.

It is a super-2 number, since 2×12000230131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12000230111) 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, 206900491 + ... + 206900548.

It is an arithmetic number, because the mean of its divisors is an integer number (3103507800).

Almost surely, 2^12000230131 is an apocalyptic number.

12000230131 is a deficient number, since it is larger than the sum of its proper divisors (413801069).

12000230131 is an equidigital number, since it uses as much as digits as its factorization.

12000230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413801068.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12000230131 its reverse (13103200021), we get a palindrome (25103430152).

The spelling of 12000230131 in words is "twelve billion, two hundred thirty thousand, one hundred thirty-one".