12012020211133 has 2 divisors, whose sum is σ = 12012020211134. Its totient is φ = 12012020211132.

The previous prime is 12012020211073. The next prime is 12012020211143. The reversal of 12012020211133 is 33111202021021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11943230986404 + 68789224729 = 3455898^2 + 262277^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012020211133 - 2²⁵ = 12011986656701 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12012020211133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12012020211143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006010105566 + 6006010105567.

It is an arithmetic number, because the mean of its divisors is an integer number (6006010105567).

Almost surely, 2^{12012020211133} is an apocalyptic number.

It is an amenable number.

12012020211133 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012020211133 is an equidigital number, since it uses as much as digits as its factorization.

12012020211133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12012020211133 its reverse (33111202021021), we get a palindrome (45123222232154).

The spelling of 12012020211133 in words is "twelve trillion, twelve billion, twenty million, two hundred eleven thousand, one hundred thirty-three".