12042648161 has 2 divisors, whose sum is σ = 12042648162. Its totient is φ = 12042648160.

The previous prime is 12042648143. The next prime is 12042648203. The reversal of 12042648161 is 16184624021.

12042648161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11206339600 + 836308561 = 105860^2 + 28919^2 .

It is a cyclic number.

It is not a de Polignac number, because 12042648161 - 2¹⁸ = 12042386017 is a prime.

It is not a weakly prime, because it can be changed into another prime (12042648661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021324080 + 6021324081.

It is an arithmetic number, because the mean of its divisors is an integer number (6021324081).

Almost surely, 2^12042648161 is an apocalyptic number.

It is an amenable number.

12042648161 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042648161 is an equidigital number, since it uses as much as digits as its factorization.

12042648161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18432, while the sum is 35.

The spelling of 12042648161 in words is "twelve billion, forty-two million, six hundred forty-eight thousand, one hundred sixty-one".