12021221110207 has 2 divisors, whose sum is σ = 12021221110208. Its totient is φ = 12021221110206.

The previous prime is 12021221110189. The next prime is 12021221110211. The reversal of 12021221110207 is 70201112212021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12021221110207 - 2¹¹ = 12021221108159 is a prime.

It is a super-3 number, since 3×12021221110207³ (a number of 40 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12021221113207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6010610555103 + 6010610555104.

It is an arithmetic number, because the mean of its divisors is an integer number (6010610555104).

Almost surely, 2^{12021221110207} is an apocalyptic number.

12021221110207 is a deficient number, since it is larger than the sum of its proper divisors (1).

12021221110207 is an equidigital number, since it uses as much as digits as its factorization.

12021221110207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 22.

Adding to 12021221110207 its reverse (70201112212021), we get a palindrome (82222333322228).

The spelling of 12021221110207 in words is "twelve trillion, twenty-one billion, two hundred twenty-one million, one hundred ten thousand, two hundred seven".