12032203312121 has 2 divisors, whose sum is σ = 12032203312122. Its totient is φ = 12032203312120.

The previous prime is 12032203312109. The next prime is 12032203312139. The reversal of 12032203312121 is 12121330223021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11475969264400 + 556234047721 = 3387620^2 + 745811^2 .

It is a cyclic number.

It is not a de Polignac number, because 12032203312121 - 2⁶ = 12032203312057 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 (12032203312421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6016101656060 + 6016101656061.

It is an arithmetic number, because the mean of its divisors is an integer number (6016101656061).

Almost surely, 2^{12032203312121} is an apocalyptic number.

It is an amenable number.

12032203312121 is a deficient number, since it is larger than the sum of its proper divisors (1).

12032203312121 is an equidigital number, since it uses as much as digits as its factorization.

12032203312121 is an evil number, because the sum of its binary digits is even.

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

Adding to 12032203312121 its reverse (12121330223021), we get a palindrome (24153533535142).

The spelling of 12032203312121 in words is "twelve trillion, thirty-two billion, two hundred three million, three hundred twelve thousand, one hundred twenty-one".