12032312261 has 2 divisors, whose sum is σ = 12032312262. Its totient is φ = 12032312260.

The previous prime is 12032312233. The next prime is 12032312269. The reversal of 12032312261 is 16221323021.

12032312261 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., 10018008100 + 2014304161 = 100090^2 + 44881^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12032312261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12032312269) 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, 6016156130 + 6016156131.

It is an arithmetic number, because the mean of its divisors is an integer number (6016156131).

Almost surely, 2^12032312261 is an apocalyptic number.

It is an amenable number.

12032312261 is a deficient number, since it is larger than the sum of its proper divisors (1).

12032312261 is an equidigital number, since it uses as much as digits as its factorization.

12032312261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 12032312261 its reverse (16221323021), we get a palindrome (28253635282).

The spelling of 12032312261 in words is "twelve billion, thirty-two million, three hundred twelve thousand, two hundred sixty-one".