12308121 has 24 divisors (see below), whose sum is σ = 20583680. Its totient is φ = 6941376.

The previous prime is 12308117. The next prime is 12308123. The reversal of 12308121 is 12180321.

12308121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12308121 - 2² = 12308117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12308094 and 12308103.

It is not an unprimeable number, because it can be changed into a prime (12308123) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3741 + ... + 6213.

Almost surely, 2^12308121 is an apocalyptic number.

It is an amenable number.

12308121 is a deficient number, since it is larger than the sum of its proper divisors (8275559).

12308121 is a wasteful number, since it uses less digits than its factorization.

12308121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2565 (or 2562 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 12308121 is about 3508.2931747504. The cubic root of 12308121 is about 230.8858152711.

Adding to 12308121 its reverse (12180321), we get a palindrome (24488442).

The spelling of 12308121 in words is "twelve million, three hundred eight thousand, one hundred twenty-one".