12031231130 has 16 divisors (see below), whose sum is σ = 22354804224. Its totient is φ = 4657250640.

The previous prime is 12031231123. The next prime is 12031231141. The reversal of 12031231130 is 3113213021.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12031231099 and 12031231108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19404902 + ... + 19405521.

It is an arithmetic number, because the mean of its divisors is an integer number (1397175264).

Almost surely, 2^12031231130 is an apocalyptic number.

12031231130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031231130 is a deficient number, since it is larger than the sum of its proper divisors (10323573094).

12031231130 is a wasteful number, since it uses less digits than its factorization.

12031231130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38810461.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 12031231130 its reverse (3113213021), we get a palindrome (15144444151).

The spelling of 12031231130 in words is "twelve billion, thirty-one million, two hundred thirty-one thousand, one hundred thirty".