212201221223 has 2 divisors, whose sum is σ = 212201221224. Its totient is φ = 212201221222.

The previous prime is 212201221163. The next prime is 212201221241. The reversal of 212201221223 is 322122102212.

212201221223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212201221223 - 2³⁶ = 143481744487 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212201221195 and 212201221204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212201221283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106100610611 + 106100610612.

It is an arithmetic number, because the mean of its divisors is an integer number (106100610612).

Almost surely, 2^212201221223 is an apocalyptic number.

212201221223 is a deficient number, since it is larger than the sum of its proper divisors (1).

212201221223 is an equidigital number, since it uses as much as digits as its factorization.

212201221223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 212201221223 its reverse (322122102212), we get a palindrome (534323323435).

The spelling of 212201221223 in words is "two hundred twelve billion, two hundred one million, two hundred twenty-one thousand, two hundred twenty-three".