12934220161 has 2 divisors, whose sum is σ = 12934220162. Its totient is φ = 12934220160.

The previous prime is 12934220153. The next prime is 12934220191. The reversal of 12934220161 is 16102243921.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12379900225 + 554319936 = 111265^2 + 23544^2 .

It is a cyclic number.

It is not a de Polignac number, because 12934220161 - 2³ = 12934220153 is a prime.

It is not a weakly prime, because it can be changed into another prime (12934220191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6467110080 + 6467110081.

It is an arithmetic number, because the mean of its divisors is an integer number (6467110081).

Almost surely, 2^12934220161 is an apocalyptic number.

It is an amenable number.

12934220161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12934220161 is an equidigital number, since it uses as much as digits as its factorization.

12934220161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 12934220161 in words is "twelve billion, nine hundred thirty-four million, two hundred twenty thousand, one hundred sixty-one".