12130344123 has 8 divisors (see below), whose sum is σ = 16175619600. Its totient is φ = 8085982368.

The previous prime is 12130344077. The next prime is 12130344137. The reversal of 12130344123 is 32144303121.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12130344123 - 2⁹ = 12130343611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12130344093 and 12130344102.

It is not an unprimeable number, because it can be changed into a prime (12130344323) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196828 + ... + 251001.

It is an arithmetic number, because the mean of its divisors is an integer number (2021952450).

Almost surely, 2^12130344123 is an apocalyptic number.

12130344123 is a deficient number, since it is larger than the sum of its proper divisors (4045275477).

12130344123 is an equidigital number, since it uses as much as digits as its factorization.

12130344123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456861.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12130344123 its reverse (32144303121), we get a palindrome (44274647244).

The spelling of 12130344123 in words is "twelve billion, one hundred thirty million, three hundred forty-four thousand, one hundred twenty-three".