12134445161 has 2 divisors, whose sum is σ = 12134445162. Its totient is φ = 12134445160.

The previous prime is 12134445151. The next prime is 12134445229. The reversal of 12134445161 is 16154443121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12100000000 + 34445161 = 110000^2 + 5869^2 .

It is a cyclic number.

It is not a de Polignac number, because 12134445161 - 2¹⁴ = 12134428777 is a prime.

It is not a weakly prime, because it can be changed into another prime (12134445151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6067222580 + 6067222581.

It is an arithmetic number, because the mean of its divisors is an integer number (6067222581).

Almost surely, 2^12134445161 is an apocalyptic number.

It is an amenable number.

12134445161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12134445161 is an equidigital number, since it uses as much as digits as its factorization.

12134445161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 32.

Adding to 12134445161 its reverse (16154443121), we get a palindrome (28288888282).

It can be divided in two parts, 121 and 34445161, that multiplied together give a square (4167864481 = 64559²).

The spelling of 12134445161 in words is "twelve billion, one hundred thirty-four million, four hundred forty-five thousand, one hundred sixty-one".