12043110123 has 12 divisors (see below), whose sum is σ = 18977022168. Its totient is φ = 7298854560.

The previous prime is 12043110077. The next prime is 12043110127. The reversal of 12043110123 is 32101134021.

It is not a de Polignac number, because 12043110123 - 2¹² = 12043106027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12043110096 and 12043110105.

It is not an unprimeable number, because it can be changed into a prime (12043110127) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60823690 + ... + 60823887.

It is an arithmetic number, because the mean of its divisors is an integer number (1581418514).

Almost surely, 2^12043110123 is an apocalyptic number.

12043110123 is a deficient number, since it is larger than the sum of its proper divisors (6933912045).

12043110123 is a wasteful number, since it uses less digits than its factorization.

12043110123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121647594 (or 121647591 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12043110123 its reverse (32101134021), we get a palindrome (44144244144).

The spelling of 12043110123 in words is "twelve billion, forty-three million, one hundred ten thousand, one hundred twenty-three".