12310211 has 4 divisors (see below), whose sum is σ = 12317952. Its totient is φ = 12302472.

The previous prime is 12310187. The next prime is 12310219. The reversal of 12310211 is 11201321.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12310211 - 2⁶ = 12310147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12310192 and 12310201.

It is not an unprimeable number, because it can be changed into a prime (12310219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515 + ... + 4988.

It is an arithmetic number, because the mean of its divisors is an integer number (3079488).

Almost surely, 2^12310211 is an apocalyptic number.

12310211 is a deficient number, since it is larger than the sum of its proper divisors (7741).

12310211 is an equidigital number, since it uses as much as digits as its factorization.

12310211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7740.

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

The square root of 12310211 is about 3508.5910277489. The cubic root of 12310211 is about 230.8988831755.

Adding to 12310211 its reverse (11201321), we get a palindrome (23511532).

It can be divided in two parts, 12310 and 211, that added together give a palindrome (12521).

The spelling of 12310211 in words is "twelve million, three hundred ten thousand, two hundred eleven".