12302111 has 4 divisors (see below), whose sum is σ = 12417192. Its totient is φ = 12187032.

The previous prime is 12302089. The next prime is 12302141. The reversal of 12302111 is 11120321.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12302111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12302092 and 12302101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302141) 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 3 ways as a sum of consecutive naturals, for example, 57380 + ... + 57593.

It is an arithmetic number, because the mean of its divisors is an integer number (3104298).

Almost surely, 2^12302111 is an apocalyptic number.

12302111 is a deficient number, since it is larger than the sum of its proper divisors (115081).

12302111 is a wasteful number, since it uses less digits than its factorization.

12302111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115080.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 12302111 is about 3507.4365282924. The cubic root of 12302111 is about 230.8482289851.

Adding to 12302111 its reverse (11120321), we get a palindrome (23422432).

The spelling of 12302111 in words is "twelve million, three hundred two thousand, one hundred eleven".