212305027 has 24 divisors (see below), whose sum is σ = 255679200. Its totient is φ = 175338240.

The previous prime is 212305003. The next prime is 212305043. The reversal of 212305027 is 720503212.

It is not a de Polignac number, because 212305027 - 2⁷ = 212304899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212304989 and 212305007.

It is not an unprimeable number, because it can be changed into a prime (212305057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57874 + ... + 61432.

It is an arithmetic number, because the mean of its divisors is an integer number (10653300).

Almost surely, 2^212305027 is an apocalyptic number.

212305027 is a deficient number, since it is larger than the sum of its proper divisors (43374173).

212305027 is a wasteful number, since it uses less digits than its factorization.

212305027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3627 (or 3616 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 212305027 is about 14570.6906836979. The cubic root of 212305027 is about 596.5590326674.

Adding to 212305027 its reverse (720503212), we get a palindrome (932808239).

The spelling of 212305027 in words is "two hundred twelve million, three hundred five thousand, twenty-seven".