12012234133 has 2 divisors, whose sum is σ = 12012234134. Its totient is φ = 12012234132.

The previous prime is 12012234109. The next prime is 12012234139. The reversal of 12012234133 is 33143221021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9646579089 + 2365655044 = 98217^2 + 48638^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012234133 - 2¹³ = 12012225941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012234139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006117066 + 6006117067.

It is an arithmetic number, because the mean of its divisors is an integer number (6006117067).

Almost surely, 2^12012234133 is an apocalyptic number.

It is an amenable number.

12012234133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012234133 is an equidigital number, since it uses as much as digits as its factorization.

12012234133 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 22.

Adding to 12012234133 its reverse (33143221021), we get a palindrome (45155455154).

The spelling of 12012234133 in words is "twelve billion, twelve million, two hundred thirty-four thousand, one hundred thirty-three".