212011207 has 2 divisors, whose sum is σ = 212011208. Its totient is φ = 212011206.

The previous prime is 212011193. The next prime is 212011223. The reversal of 212011207 is 702110212.

It is an a-pointer prime, because the next prime (212011223) can be obtained adding 212011207 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-212011207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212011237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106005603 + 106005604.

It is an arithmetic number, because the mean of its divisors is an integer number (106005604).

Almost surely, 2^212011207 is an apocalyptic number.

212011207 is a deficient number, since it is larger than the sum of its proper divisors (1).

212011207 is an equidigital number, since it uses as much as digits as its factorization.

212011207 is an evil number, because the sum of its binary digits is even.

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

The square root of 212011207 is about 14560.6046234351. The cubic root of 212011207 is about 596.2837025605.

Adding to 212011207 its reverse (702110212), we get a palindrome (914121419).

The spelling of 212011207 in words is "two hundred twelve million, eleven thousand, two hundred seven".