13122302161 has 2 divisors, whose sum is σ = 13122302162. Its totient is φ = 13122302160.

The previous prime is 13122302143. The next prime is 13122302203. The reversal of 13122302161 is 16120322131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8405222400 + 4717079761 = 91680^2 + 68681^2 .

It is a cyclic number.

It is not a de Polignac number, because 13122302161 - 2⁵ = 13122302129 is a prime.

It is not a weakly prime, because it can be changed into another prime (13122302111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6561151080 + 6561151081.

It is an arithmetic number, because the mean of its divisors is an integer number (6561151081).

Almost surely, 2^13122302161 is an apocalyptic number.

It is an amenable number.

13122302161 is a deficient number, since it is larger than the sum of its proper divisors (1).

13122302161 is an equidigital number, since it uses as much as digits as its factorization.

13122302161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 13122302161 its reverse (16120322131), we get a palindrome (29242624292).

The spelling of 13122302161 in words is "thirteen billion, one hundred twenty-two million, three hundred two thousand, one hundred sixty-one".