12001002220117 has 2 divisors, whose sum is σ = 12001002220118. Its totient is φ = 12001002220116.

The previous prime is 12001002220111. The next prime is 12001002220177. The reversal of 12001002220117 is 71102220010021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11374963637041 + 626038583076 = 3372679^2 + 791226^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001002220117 - 2⁷ = 12001002219989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12001002220094 and 12001002220103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001002220111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6000501110058 + 6000501110059.

It is an arithmetic number, because the mean of its divisors is an integer number (6000501110059).

Almost surely, 2^{12001002220117} is an apocalyptic number.

It is an amenable number.

12001002220117 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001002220117 is an equidigital number, since it uses as much as digits as its factorization.

12001002220117 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 19.

Adding to 12001002220117 its reverse (71102220010021), we get a palindrome (83103222230138).

The spelling of 12001002220117 in words is "twelve trillion, one billion, two million, two hundred twenty thousand, one hundred seventeen".