212320027 has 2 divisors, whose sum is σ = 212320028. Its totient is φ = 212320026.

The previous prime is 212320019. The next prime is 212320037. The reversal of 212320027 is 720023212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212320027 - 2³ = 212320019 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 212319986 and 212320013.

It is not a weakly prime, because it can be changed into another prime (212320007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106160013 + 106160014.

It is an arithmetic number, because the mean of its divisors is an integer number (106160014).

Almost surely, 2^212320027 is an apocalyptic number.

212320027 is a deficient number, since it is larger than the sum of its proper divisors (1).

212320027 is an equidigital number, since it uses as much as digits as its factorization.

212320027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 212320027 is about 14571.2054065544. The cubic root of 212320027 is about 596.5730819104.

Adding to 212320027 its reverse (720023212), we get a palindrome (932343239).

The spelling of 212320027 in words is "two hundred twelve million, three hundred twenty thousand, twenty-seven".