12042165241 has 2 divisors, whose sum is σ = 12042165242. Its totient is φ = 12042165240.

The previous prime is 12042165229. The next prime is 12042165263. The reversal of 12042165241 is 14256124021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12016763641 + 25401600 = 109621^2 + 5040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12042165241 is a prime.

It is not a weakly prime, because it can be changed into another prime (12042165221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021082620 + 6021082621.

It is an arithmetic number, because the mean of its divisors is an integer number (6021082621).

Almost surely, 2^12042165241 is an apocalyptic number.

It is an amenable number.

12042165241 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042165241 is an equidigital number, since it uses as much as digits as its factorization.

12042165241 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 12042165241 its reverse (14256124021), we get a palindrome (26298289262).

The spelling of 12042165241 in words is "twelve billion, forty-two million, one hundred sixty-five thousand, two hundred forty-one".