1232205011 has 2 divisors, whose sum is σ = 1232205012. Its totient is φ = 1232205010.

The previous prime is 1232204993. The next prime is 1232205017. The reversal of 1232205011 is 1105022321.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1232205011 is a prime.

It is not a weakly prime, because it can be changed into another prime (1232205017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 616102505 + 616102506.

It is an arithmetic number, because the mean of its divisors is an integer number (616102506).

Almost surely, 2^1232205011 is an apocalyptic number.

1232205011 is a deficient number, since it is larger than the sum of its proper divisors (1).

1232205011 is an equidigital number, since it uses as much as digits as its factorization.

1232205011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 1232205011 is about 35102.7778245540. Note that the first 3 decimals coincide. The cubic root of 1232205011 is about 1072.0811421627.

Adding to 1232205011 its reverse (1105022321), we get a palindrome (2337227332).

The spelling of 1232205011 in words is "one billion, two hundred thirty-two million, two hundred five thousand, eleven".