12210307 has 2 divisors, whose sum is σ = 12210308. Its totient is φ = 12210306.

The previous prime is 12210287. The next prime is 12210343. The reversal of 12210307 is 70301221.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12210307 - 2¹⁹ = 11686019 is a prime.

It is not a weakly prime, because it can be changed into another prime (12210377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6105153 + 6105154.

It is an arithmetic number, because the mean of its divisors is an integer number (6105154).

Almost surely, 2^12210307 is an apocalyptic number.

12210307 is a deficient number, since it is larger than the sum of its proper divisors (1).

12210307 is an equidigital number, since it uses as much as digits as its factorization.

12210307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 12210307 is about 3494.3249705773. The cubic root of 12210307 is about 230.2725628186.

Adding to 12210307 its reverse (70301221), we get a palindrome (82511528).

The spelling of 12210307 in words is "twelve million, two hundred ten thousand, three hundred seven".