230212009 has 2 divisors, whose sum is σ = 230212010. Its totient is φ = 230212008.

The previous prime is 230211979. The next prime is 230212013. The reversal of 230212009 is 900212032.

It is a happy number.

230212009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213072409 + 17139600 = 14597^2 + 4140^2 .

It is a cyclic number.

It is not a de Polignac number, because 230212009 - 2⁷ = 230211881 is a prime.

It is not a weakly prime, because it can be changed into another prime (230212049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115106004 + 115106005.

It is an arithmetic number, because the mean of its divisors is an integer number (115106005).

Almost surely, 2^230212009 is an apocalyptic number.

It is an amenable number.

230212009 is a deficient number, since it is larger than the sum of its proper divisors (1).

230212009 is an equidigital number, since it uses as much as digits as its factorization.

230212009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 230212009 is about 15172.7390078390. The cubic root of 230212009 is about 612.8807652723.

The spelling of 230212009 in words is "two hundred thirty million, two hundred twelve thousand, nine".