210012163 has 2 divisors, whose sum is σ = 210012164. Its totient is φ = 210012162.

The previous prime is 210012157. The next prime is 210012193. The reversal of 210012163 is 361210012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 210012163 - 2²¹ = 207915011 is a prime.

It is not a weakly prime, because it can be changed into another prime (210012193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105006081 + 105006082.

It is an arithmetic number, because the mean of its divisors is an integer number (105006082).

Almost surely, 2^210012163 is an apocalyptic number.

210012163 is a deficient number, since it is larger than the sum of its proper divisors (1).

210012163 is an equidigital number, since it uses as much as digits as its factorization.

210012163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 210012163 is about 14491.7964034829. The cubic root of 210012163 is about 594.4036705981.

Adding to 210012163 its reverse (361210012), we get a palindrome (571222175).

The spelling of 210012163 in words is "two hundred ten million, twelve thousand, one hundred sixty-three".