212212027 has 4 divisors (see below), whose sum is σ = 212504656. Its totient is φ = 211919400.

The previous prime is 212211997. The next prime is 212212051. The reversal of 212212027 is 720212212.

212212027 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212212027 - 2²⁷ = 77994299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212211995 and 212212013.

It is not an unprimeable number, because it can be changed into a prime (212210027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145224 + ... + 146677.

It is an arithmetic number, because the mean of its divisors is an integer number (53126164).

Almost surely, 2^212212027 is an apocalyptic number.

212212027 is a deficient number, since it is larger than the sum of its proper divisors (292629).

212212027 is an equidigital number, since it uses as much as digits as its factorization.

212212027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292628.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 212212027 is about 14567.4989960528. The cubic root of 212212027 is about 596.4719125871.

Adding to 212212027 its reverse (720212212), we get a palindrome (932424239).

The spelling of 212212027 in words is "two hundred twelve million, two hundred twelve thousand, twenty-seven".