12424123121 has 8 divisors (see below), whose sum is σ = 12574103040. Its totient is φ = 12274374112.

The previous prime is 12424123097. The next prime is 12424123133. The reversal of 12424123121 is 12132142421.

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 12424123121 - 2²² = 12419928817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12424125121) 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, 51776 + ... + 165918.

It is an arithmetic number, because the mean of its divisors is an integer number (1571762880).

Almost surely, 2^12424123121 is an apocalyptic number.

It is an amenable number.

12424123121 is a deficient number, since it is larger than the sum of its proper divisors (149979919).

12424123121 is a wasteful number, since it uses less digits than its factorization.

12424123121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115455.

The product of its digits is 768, while the sum is 23.

Adding to 12424123121 its reverse (12132142421), we get a palindrome (24556265542).

The spelling of 12424123121 in words is "twelve billion, four hundred twenty-four million, one hundred twenty-three thousand, one hundred twenty-one".