210012227 has 2 divisors, whose sum is σ = 210012228. Its totient is φ = 210012226.

The previous prime is 210012223. The next prime is 210012233. The reversal of 210012227 is 722210012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210012227 - 2² = 210012223 is a prime.

It is not a weakly prime, because it can be changed into another prime (210012223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105006113 + 105006114.

It is an arithmetic number, because the mean of its divisors is an integer number (105006114).

Almost surely, 2^210012227 is an apocalyptic number.

210012227 is a deficient number, since it is larger than the sum of its proper divisors (1).

210012227 is an equidigital number, since it uses as much as digits as its factorization.

210012227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 210012227 is about 14491.7986116286. The cubic root of 210012227 is about 594.4037309784.

Adding to 210012227 its reverse (722210012), we get a palindrome (932222239).

The spelling of 210012227 in words is "two hundred ten million, twelve thousand, two hundred twenty-seven".