12112131230 has 16 divisors (see below), whose sum is σ = 22001855040. Its totient is φ = 4800403872.

The previous prime is 12112131173. The next prime is 12112131257. The reversal of 12112131230 is 3213121121.

It is a junction number, because it is equal to n+sod(n) for n = 12112131199 and 12112131208.

It is a congruent number.

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, 5554934 + ... + 5557113.

It is an arithmetic number, because the mean of its divisors is an integer number (1375115940).

Almost surely, 2^12112131230 is an apocalyptic number.

12112131230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12112131230 is a deficient number, since it is larger than the sum of its proper divisors (9889723810).

12112131230 is a wasteful number, since it uses less digits than its factorization.

12112131230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11112163.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12112131230 its reverse (3213121121), we get a palindrome (15325252351).

The spelling of 12112131230 in words is "twelve billion, one hundred twelve million, one hundred thirty-one thousand, two hundred thirty".