12131120230 has 32 divisors (see below), whose sum is σ = 22826556864. Its totient is φ = 4633090176.

The previous prime is 12131120189. The next prime is 12131120269. The reversal of 12131120230 is 3202113121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80764 + ... + 175456.

It is an arithmetic number, because the mean of its divisors is an integer number (713329902).

Almost surely, 2^12131120230 is an apocalyptic number.

12131120230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12131120230 is a deficient number, since it is larger than the sum of its proper divisors (10695436634).

12131120230 is a wasteful number, since it uses less digits than its factorization.

12131120230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95280.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 12131120230 its reverse (3202113121), we get a palindrome (15333233351).

The spelling of 12131120230 in words is "twelve billion, one hundred thirty-one million, one hundred twenty thousand, two hundred thirty".