212257027 has 2 divisors, whose sum is σ = 212257028. Its totient is φ = 212257026.

The previous prime is 212257021. The next prime is 212257057. The reversal of 212257027 is 720752212.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 212257027 - 2²³ = 203868419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 212256986 and 212257004.

It is not a weakly prime, because it can be changed into another prime (212257021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106128513 + 106128514.

It is an arithmetic number, because the mean of its divisors is an integer number (106128514).

Almost surely, 2^212257027 is an apocalyptic number.

212257027 is a deficient number, since it is larger than the sum of its proper divisors (1).

212257027 is an equidigital number, since it uses as much as digits as its factorization.

212257027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 212257027 is about 14569.0434483531. The cubic root of 212257027 is about 596.5140706423.

The spelling of 212257027 in words is "two hundred twelve million, two hundred fifty-seven thousand, twenty-seven".