12011322233 has 2 divisors, whose sum is σ = 12011322234. Its totient is φ = 12011322232.

The previous prime is 12011322229. The next prime is 12011322251. The reversal of 12011322233 is 33222311021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11551305529 + 460016704 = 107477^2 + 21448^2 .

It is a cyclic number.

It is not a de Polignac number, because 12011322233 - 2² = 12011322229 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 (12011322203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6005661116 + 6005661117.

It is an arithmetic number, because the mean of its divisors is an integer number (6005661117).

Almost surely, 2^12011322233 is an apocalyptic number.

It is an amenable number.

12011322233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011322233 is an equidigital number, since it uses as much as digits as its factorization.

12011322233 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12011322233 its reverse (33222311021), we get a palindrome (45233633254).

The spelling of 12011322233 in words is "twelve billion, eleven million, three hundred twenty-two thousand, two hundred thirty-three".