12141112123 has 4 divisors (see below), whose sum is σ = 13875556720. Its totient is φ = 10406667528.

The previous prime is 12141112121. The next prime is 12141112129. The reversal of 12141112123 is 32121114121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32121114121 = 53 ⋅606058757.

It is a cyclic number.

It is not a de Polignac number, because 12141112123 - 2¹ = 12141112121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12141112123.

It is not an unprimeable number, because it can be changed into a prime (12141112121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867222288 + ... + 867222301.

It is an arithmetic number, because the mean of its divisors is an integer number (3468889180).

Almost surely, 2^12141112123 is an apocalyptic number.

12141112123 is a deficient number, since it is larger than the sum of its proper divisors (1734444597).

12141112123 is an equidigital number, since it uses as much as digits as its factorization.

12141112123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734444596.

The product of its digits is 96, while the sum is 19.

Adding to 12141112123 its reverse (32121114121), we get a palindrome (44262226244).

The spelling of 12141112123 in words is "twelve billion, one hundred forty-one million, one hundred twelve thousand, one hundred twenty-three".