212320127 has 2 divisors, whose sum is σ = 212320128. Its totient is φ = 212320126.

The previous prime is 212320081. The next prime is 212320151. The reversal of 212320127 is 721023212.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 212320127 - 2⁸ = 212319871 is a prime.

It is a super-2 number, since 2×212320127² = 90159672658592258, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 212320099 and 212320108.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (212320177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106160063 + 106160064.

It is an arithmetic number, because the mean of its divisors is an integer number (106160064).

Almost surely, 2^212320127 is an apocalyptic number.

212320127 is a deficient number, since it is larger than the sum of its proper divisors (1).

212320127 is an equidigital number, since it uses as much as digits as its factorization.

212320127 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 212320127 is about 14571.2088379791. The cubic root of 212320127 is about 596.5731755698.

Adding to 212320127 its reverse (721023212), we get a palindrome (933343339).

The spelling of 212320127 in words is "two hundred twelve million, three hundred twenty thousand, one hundred twenty-seven".