212013202223 has 2 divisors, whose sum is σ = 212013202224.
Its totient is φ = 212013202222.
The previous prime is 212013202217. The next prime is 212013202307. The reversal of 212013202223 is 322202310212.
It is a happy number.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 212013202223 - 228 = 211744766767 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 212013202195 and 212013202204.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (212013201223) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106006601111 + 106006601112.
It is an arithmetic number, because the mean of its divisors is an integer number (106006601112).
Almost surely, 2212013202223 is an apocalyptic number.
212013202223 is a deficient number, since it is larger than the sum of its proper divisors (1).
212013202223 is an equidigital number, since it uses as much as digits as its factorization.
212013202223 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 576, while the sum is 20.
Adding to 212013202223 its reverse (322202310212), we get a palindrome (534215512435).
The spelling of 212013202223 in words is "two hundred twelve billion, thirteen million, two hundred two thousand, two hundred twenty-three".