12130311123 has 24 divisors (see below), whose sum is σ = 20048940288. Its totient is φ = 6923194992.

The previous prime is 12130311107. The next prime is 12130311217. The reversal of 12130311123 is 32111303121.

It is not a de Polignac number, because 12130311123 - 2⁴ = 12130311107 is a prime.

It is a super-2 number, since 2×12130311123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12130311096 and 12130311105.

It is not an unprimeable number, because it can be changed into a prime (12130311103) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 64311 + ... + 168512.

It is an arithmetic number, because the mean of its divisors is an integer number (835372512).

Almost surely, 2^12130311123 is an apocalyptic number.

12130311123 is a deficient number, since it is larger than the sum of its proper divisors (7918629165).

12130311123 is a wasteful number, since it uses less digits than its factorization.

12130311123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233663 (or 233660 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12130311123 its reverse (32111303121), we get a palindrome (44241614244).

The spelling of 12130311123 in words is "twelve billion, one hundred thirty million, three hundred eleven thousand, one hundred twenty-three".