204212011 has 2 divisors, whose sum is σ = 204212012. Its totient is φ = 204212010.

The previous prime is 204211999. The next prime is 204212033. The reversal of 204212011 is 110212402.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 204212011 - 2⁵ = 204211979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 204211982 and 204212000.

It is not a weakly prime, because it can be changed into another prime (204212051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102106005 + 102106006.

It is an arithmetic number, because the mean of its divisors is an integer number (102106006).

Almost surely, 2^204212011 is an apocalyptic number.

204212011 is a deficient number, since it is larger than the sum of its proper divisors (1).

204212011 is an equidigital number, since it uses as much as digits as its factorization.

204212011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 204212011 is about 14290.2767992786. The cubic root of 204212011 is about 588.8803922920.

Adding to 204212011 its reverse (110212402), we get a palindrome (314424413).

The spelling of 204212011 in words is "two hundred four million, two hundred twelve thousand, eleven".