212241041 has 2 divisors, whose sum is σ = 212241042. Its totient is φ = 212241040.

The previous prime is 212241037. The next prime is 212241061. The reversal of 212241041 is 140142212.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 144096016 + 68145025 = 12004^2 + 8255^2 .

It is a cyclic number.

It is not a de Polignac number, because 212241041 - 2² = 212241037 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (212241011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106120520 + 106120521.

It is an arithmetic number, because the mean of its divisors is an integer number (106120521).

Almost surely, 2^212241041 is an apocalyptic number.

It is an amenable number.

212241041 is a deficient number, since it is larger than the sum of its proper divisors (1).

212241041 is an equidigital number, since it uses as much as digits as its factorization.

212241041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 212241041 is about 14568.4948090048. The cubic root of 212241041 is about 596.4990949099.

Adding to 212241041 its reverse (140142212), we get a palindrome (352383253).

The spelling of 212241041 in words is "two hundred twelve million, two hundred forty-one thousand, forty-one".