12130313123 has 4 divisors (see below), whose sum is σ = 12130541808. Its totient is φ = 12130084440.

The previous prime is 12130313119. The next prime is 12130313159. The reversal of 12130313123 is 32131303121.

12130313123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32131303121 = 1601 ⋅20069521.

It is a cyclic number.

It is not a de Polignac number, because 12130313123 - 2² = 12130313119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12130313095 and 12130313104.

It is not an unprimeable number, because it can be changed into a prime (12130313023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11090 + ... + 156152.

It is an arithmetic number, because the mean of its divisors is an integer number (3032635452).

Almost surely, 2^12130313123 is an apocalyptic number.

12130313123 is a deficient number, since it is larger than the sum of its proper divisors (228685).

12130313123 is an equidigital number, since it uses as much as digits as its factorization.

12130313123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228684.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12130313123 its reverse (32131303121), we get a palindrome (44261616244).

The spelling of 12130313123 in words is "twelve billion, one hundred thirty million, three hundred thirteen thousand, one hundred twenty-three".