12031123130 has 64 divisors (see below), whose sum is σ = 24993819648. Its totient is φ = 4134240000.

The previous prime is 12031123087. The next prime is 12031123231. The reversal of 12031123130 is 3132113021.

It is a junction number, because it is equal to n+sod(n) for n = 12031123099 and 12031123108.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56255 + ... + 165005.

It is an arithmetic number, because the mean of its divisors is an integer number (390528432).

Almost surely, 2^12031123130 is an apocalyptic number.

12031123130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12031123130 is an abundant number, since it is smaller than the sum of its proper divisors (12962696518).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12031123130 is a wasteful number, since it uses less digits than its factorization.

12031123130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108831.

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

Adding to 12031123130 its reverse (3132113021), we get a palindrome (15163236151).

The spelling of 12031123130 in words is "twelve billion, thirty-one million, one hundred twenty-three thousand, one hundred thirty".