12240211 has 8 divisors (see below), whose sum is σ = 12456704. Its totient is φ = 12025800.

The previous prime is 12240203. The next prime is 12240223. The reversal of 12240211 is 11204221.

It is a happy number.

12240211 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12240211 - 2³ = 12240203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12240191 and 12240200.

It is not an unprimeable number, because it can be changed into a prime (12240271) 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, 15160 + ... + 15946.

It is an arithmetic number, because the mean of its divisors is an integer number (1557088).

Almost surely, 2^12240211 is an apocalyptic number.

12240211 is a deficient number, since it is larger than the sum of its proper divisors (216493).

12240211 is a wasteful number, since it uses less digits than its factorization.

12240211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 12240211 is about 3498.6012919451. The cubic root of 12240211 is about 230.4603947556.

Adding to 12240211 its reverse (11204221), we get a palindrome (23444432).

The spelling of 12240211 in words is "twelve million, two hundred forty thousand, two hundred eleven".