212004227 has 2 divisors, whose sum is σ = 212004228. Its totient is φ = 212004226.

The previous prime is 212004197. The next prime is 212004251. The reversal of 212004227 is 722400212.

It is a happy number.

212004227 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 212004227 - 2⁸ = 212003971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212004199 and 212004208.

It is not a weakly prime, because it can be changed into another prime (212004277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106002113 + 106002114.

It is an arithmetic number, because the mean of its divisors is an integer number (106002114).

Almost surely, 2^212004227 is an apocalyptic number.

212004227 is a deficient number, since it is larger than the sum of its proper divisors (1).

212004227 is an equidigital number, since it uses as much as digits as its factorization.

212004227 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 20.

The square root of 212004227 is about 14560.3649336134. The cubic root of 212004227 is about 596.2771587147.

Adding to 212004227 its reverse (722400212), we get a palindrome (934404439).

The spelling of 212004227 in words is "two hundred twelve million, four thousand, two hundred twenty-seven".