12202031617 has 2 divisors, whose sum is σ = 12202031618. Its totient is φ = 12202031616.

The previous prime is 12202031581. The next prime is 12202031627. The reversal of 12202031617 is 71613020221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10197768256 + 2004263361 = 100984^2 + 44769^2 .

It is a cyclic number.

It is not a de Polignac number, because 12202031617 - 2³¹ = 10054547969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12202031591 and 12202031600.

It is not a weakly prime, because it can be changed into another prime (12202031627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6101015808 + 6101015809.

It is an arithmetic number, because the mean of its divisors is an integer number (6101015809).

Almost surely, 2^12202031617 is an apocalyptic number.

It is an amenable number.

12202031617 is a deficient number, since it is larger than the sum of its proper divisors (1).

12202031617 is an equidigital number, since it uses as much as digits as its factorization.

12202031617 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

Adding to 12202031617 its reverse (71613020221), we get a palindrome (83815051838).

The spelling of 12202031617 in words is "twelve billion, two hundred two million, thirty-one thousand, six hundred seventeen".