12012102617 has 2 divisors, whose sum is σ = 12012102618. Its totient is φ = 12012102616.

The previous prime is 12012102601. The next prime is 12012102629. The reversal of 12012102617 is 71620121021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10024815376 + 1987287241 = 100124^2 + 44579^2 .

It is a cyclic number.

It is not a de Polignac number, because 12012102617 - 2⁴ = 12012102601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12012102592 and 12012102601.

It is not a weakly prime, because it can be changed into another prime (12012102647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6006051308 + 6006051309.

It is an arithmetic number, because the mean of its divisors is an integer number (6006051309).

Almost surely, 2^12012102617 is an apocalyptic number.

It is an amenable number.

12012102617 is a deficient number, since it is larger than the sum of its proper divisors (1).

12012102617 is an equidigital number, since it uses as much as digits as its factorization.

12012102617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 23.

Adding to 12012102617 its reverse (71620121021), we get a palindrome (83632223638).

The spelling of 12012102617 in words is "twelve billion, twelve million, one hundred two thousand, six hundred seventeen".