12250211 has 2 divisors, whose sum is σ = 12250212. Its totient is φ = 12250210.

The previous prime is 12250187. The next prime is 12250247. The reversal of 12250211 is 11205221.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12250211 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12253211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6125105 + 6125106.

It is an arithmetic number, because the mean of its divisors is an integer number (6125106).

Almost surely, 2^12250211 is an apocalyptic number.

12250211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12250211 is an equidigital number, since it uses as much as digits as its factorization.

12250211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 12250211 is about 3500.0301427273. The cubic root of 12250211 is about 230.5231381355.

Adding to 12250211 its reverse (11205221), we get a palindrome (23455432).

The spelling of 12250211 in words is "twelve million, two hundred fifty thousand, two hundred eleven".