12021232311061 has 2 divisors, whose sum is σ = 12021232311062. Its totient is φ = 12021232311060.

The previous prime is 12021232311001. The next prime is 12021232311073. The reversal of 12021232311061 is 16011323212021.

12021232311061 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., 10000811708836 + 2020420602225 = 3162406^2 + 1421415^2 .

It is an emirp because it is prime and its reverse (16011323212021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12021232311061 - 2²³ = 12021223922453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021232311001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010616155530 + 6010616155531.

It is an arithmetic number, because the mean of its divisors is an integer number (6010616155531).

Almost surely, 2^{12021232311061} is an apocalyptic number.

It is an amenable number.

12021232311061 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021232311061 is an equidigital number, since it uses as much as digits as its factorization.

12021232311061 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 25.

Adding to 12021232311061 its reverse (16011323212021), we get a palindrome (28032555523082).

The spelling of 12021232311061 in words is "twelve trillion, twenty-one billion, two hundred thirty-two million, three hundred eleven thousand, sixty-one".