12102010121017 has 2 divisors, whose sum is σ = 12102010121018. Its totient is φ = 12102010121016.

The previous prime is 12102010121011. The next prime is 12102010121129. The reversal of 12102010121017 is 71012101020121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8789540960656 + 3312469160361 = 2964716^2 + 1820019^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102010121017 - 2²³ = 12102001732409 is a prime.

It is a super-2 number, since 2×12102010121017² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12102010120985 and 12102010121003.

It is not a weakly prime, because it can be changed into another prime (12102010121011) 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, 6051005060508 + 6051005060509.

It is an arithmetic number, because the mean of its divisors is an integer number (6051005060509).

Almost surely, 2^{12102010121017} is an apocalyptic number.

It is an amenable number.

12102010121017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102010121017 is an equidigital number, since it uses as much as digits as its factorization.

12102010121017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56, while the sum is 19.

Adding to 12102010121017 its reverse (71012101020121), we get a palindrome (83114111141138).

The spelling of 12102010121017 in words is "twelve trillion, one hundred two billion, ten million, one hundred twenty-one thousand, seventeen".