12113312123 has 8 divisors (see below), whose sum is σ = 13264770816. Its totient is φ = 10970228200.

The previous prime is 12113312111. The next prime is 12113312147. The reversal of 12113312123 is 32121331121.

It is a happy number.

12113312123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12113312123 - 2²² = 12109117819 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12113312095 and 12113312104.

It is not an unprimeable number, because it can be changed into a prime (12113312023) 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 7 ways as a sum of consecutive naturals, for example, 2090663 + ... + 2096448.

It is an arithmetic number, because the mean of its divisors is an integer number (1658096352).

Almost surely, 2^12113312123 is an apocalyptic number.

12113312123 is a deficient number, since it is larger than the sum of its proper divisors (1151458693).

12113312123 is a wasteful number, since it uses less digits than its factorization.

12113312123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4187385.

The product of its digits is 216, while the sum is 20.

Adding to 12113312123 its reverse (32121331121), we get a palindrome (44234643244).

The spelling of 12113312123 in words is "twelve billion, one hundred thirteen million, three hundred twelve thousand, one hundred twenty-three".