12102311 has 8 divisors (see below), whose sum is σ = 13060320. Its totient is φ = 11148192.

The previous prime is 12102289. The next prime is 12102329. The reversal of 12102311 is 11320121.

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 12102311 - 2¹⁸ = 11840167 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12102292 and 12102301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11441 + ... + 12453.

It is an arithmetic number, because the mean of its divisors is an integer number (1632540).

Almost surely, 2^12102311 is an apocalyptic number.

12102311 is a deficient number, since it is larger than the sum of its proper divisors (958009).

12102311 is a wasteful number, since it uses less digits than its factorization.

12102311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1945.

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

The square root of 12102311 is about 3478.8375932199. The cubic root of 12102311 is about 229.5916573088.

Adding to 12102311 its reverse (11320121), we get a palindrome (23422432).

The spelling of 12102311 in words is "twelve million, one hundred two thousand, three hundred eleven".