212102221207 has 2 divisors, whose sum is σ = 212102221208. Its totient is φ = 212102221206.

The previous prime is 212102221183. The next prime is 212102221231. The reversal of 212102221207 is 702122201212.

It is a balanced prime because it is at equal distance from previous prime (212102221183) and next prime (212102221231).

It is a cyclic number.

It is not a de Polignac number, because 212102221207 - 2¹⁵ = 212102188439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212102221297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106051110603 + 106051110604.

It is an arithmetic number, because the mean of its divisors is an integer number (106051110604).

Almost surely, 2^212102221207 is an apocalyptic number.

212102221207 is a deficient number, since it is larger than the sum of its proper divisors (1).

212102221207 is an equidigital number, since it uses as much as digits as its factorization.

212102221207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 448, while the sum is 22.

Adding to 212102221207 its reverse (702122201212), we get a palindrome (914224422419).

The spelling of 212102221207 in words is "two hundred twelve billion, one hundred two million, two hundred twenty-one thousand, two hundred seven".