12011021224201 has 2 divisors, whose sum is σ = 12011021224202. Its totient is φ = 12011021224200.

The previous prime is 12011021224193. The next prime is 12011021224211. The reversal of 12011021224201 is 10242212011021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11739538542601 + 271482681600 = 3426301^2 + 521040^2 .

It is an emirp because it is prime and its reverse (10242212011021) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12011021224201 - 2³ = 12011021224193 is a prime.

It is not a weakly prime, because it can be changed into another prime (12011021224211) 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, 6005510612100 + 6005510612101.

It is an arithmetic number, because the mean of its divisors is an integer number (6005510612101).

Almost surely, 2^{12011021224201} is an apocalyptic number.

It is an amenable number.

12011021224201 is a deficient number, since it is larger than the sum of its proper divisors (1).

12011021224201 is an equidigital number, since it uses as much as digits as its factorization.

12011021224201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12011021224201 its reverse (10242212011021), we get a palindrome (22253233235222).

The spelling of 12011021224201 in words is "twelve trillion, eleven billion, twenty-one million, two hundred twenty-four thousand, two hundred one".