12241145121 has 8 divisors (see below), whose sum is σ = 16332042720. Its totient is φ = 8155505472.

The previous prime is 12241145117. The next prime is 12241145129. The reversal of 12241145121 is 12154114221.

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

It is not a de Polignac number, because 12241145121 - 2² = 12241145117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12241145091 and 12241145100.

It is not an unprimeable number, because it can be changed into a prime (12241145129) 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, 1309051 + ... + 1318368.

It is an arithmetic number, because the mean of its divisors is an integer number (2041505340).

Almost surely, 2^12241145121 is an apocalyptic number.

It is an amenable number.

12241145121 is a deficient number, since it is larger than the sum of its proper divisors (4090897599).

12241145121 is a wasteful number, since it uses less digits than its factorization.

12241145121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2628975.

The product of its digits is 640, while the sum is 24.

Adding to 12241145121 its reverse (12154114221), we get a palindrome (24395259342).

The spelling of 12241145121 in words is "twelve billion, two hundred forty-one million, one hundred forty-five thousand, one hundred twenty-one".