12102110870177 has 2 divisors, whose sum is σ = 12102110870178. Its totient is φ = 12102110870176.

The previous prime is 12102110870147. The next prime is 12102110870191. The reversal of 12102110870177 is 77107801120121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7925936612416 + 4176174257761 = 2815304^2 + 2043569^2 .

It is a cyclic number.

It is not a de Polignac number, because 12102110870177 - 2¹⁸ = 12102110608033 is a prime.

It is a super-2 number, since 2×12102110870177² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12102110870177.

It is not a weakly prime, because it can be changed into another prime (12102110870107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6051055435088 + 6051055435089.

It is an arithmetic number, because the mean of its divisors is an integer number (6051055435089).

Almost surely, 2^{12102110870177} is an apocalyptic number.

It is an amenable number.

12102110870177 is a deficient number, since it is larger than the sum of its proper divisors (1).

12102110870177 is an equidigital number, since it uses as much as digits as its factorization.

12102110870177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10976, while the sum is 38.

Adding to 12102110870177 its reverse (77107801120121), we get a palindrome (89209911990298).

The spelling of 12102110870177 in words is "twelve trillion, one hundred two billion, one hundred ten million, eight hundred seventy thousand, one hundred seventy-seven".