212101207 has 2 divisors, whose sum is σ = 212101208. Its totient is φ = 212101206.

The previous prime is 212101181. The next prime is 212101223. The reversal of 212101207 is 702101212.

It is an a-pointer prime, because the next prime (212101223) can be obtained adding 212101207 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212101207 - 2⁷ = 212101079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212101277) 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 as a sum of consecutive naturals, namely, 106050603 + 106050604.

It is an arithmetic number, because the mean of its divisors is an integer number (106050604).

Almost surely, 2^212101207 is an apocalyptic number.

212101207 is a deficient number, since it is larger than the sum of its proper divisors (1).

212101207 is an equidigital number, since it uses as much as digits as its factorization.

212101207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 16.

The square root of 212101207 is about 14563.6948265198. The cubic root of 212101207 is about 596.3680659329.

Adding to 212101207 its reverse (702101212), we get a palindrome (914202419).

The spelling of 212101207 in words is "two hundred twelve million, one hundred one thousand, two hundred seven".