12102021200117 has 2 divisors, whose sum is σ = 12102021200118. Its totient is φ = 12102021200116.

The previous prime is 12102021200107. The next prime is 12102021200167. The reversal of 12102021200117 is 71100212020121.

It is a happy number.

12102021200117 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11902010105041 + 200011095076 = 3449929^2 + 447226^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102021200117 - 2⁶ = 12102021200053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12102021200107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051010600058 + 6051010600059.

It is an arithmetic number, because the mean of its divisors is an integer number (6051010600059).

Almost surely, 2^{12102021200117} is an apocalyptic number.

It is an amenable number.

12102021200117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102021200117 is an equidigital number, since it uses as much as digits as its factorization.

12102021200117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

Adding to 12102021200117 its reverse (71100212020121), we get a palindrome (83202233220238).

The spelling of 12102021200117 in words is "twelve trillion, one hundred two billion, twenty-one million, two hundred thousand, one hundred seventeen".