12042151123 has 6 divisors (see below), whose sum is σ = 12343027532. Its totient is φ = 11748438480.

The previous prime is 12042151087. The next prime is 12042151129. The reversal of 12042151123 is 32115124021.

12042151123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12042151123 - 2³³ = 3452216531 is a prime.

It is a super-2 number, since 2×12042151123² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12042151094 and 12042151103.

It is not an unprimeable number, because it can be changed into a prime (12042151129) 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 5 ways as a sum of consecutive naturals, for example, 3580161 + ... + 3583522.

Almost surely, 2^12042151123 is an apocalyptic number.

12042151123 is a deficient number, since it is larger than the sum of its proper divisors (300876409).

12042151123 is an frugal number, since it uses more digits than its factorization.

12042151123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7163765 (or 7163724 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 12042151123 its reverse (32115124021), we get a palindrome (44157275144).

The spelling of 12042151123 in words is "twelve billion, forty-two million, one hundred fifty-one thousand, one hundred twenty-three".