12042112417 has 2 divisors, whose sum is σ = 12042112418. Its totient is φ = 12042112416.

The previous prime is 12042112393. The next prime is 12042112483. The reversal of 12042112417 is 71421124021.

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., 10937813056 + 1104299361 = 104584^2 + 33231^2 .

It is a cyclic number.

It is not a de Polignac number, because 12042112417 - 2¹⁹ = 12041588129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12042112391 and 12042112400.

It is not a weakly prime, because it can be changed into another prime (12042112487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6021056208 + 6021056209.

It is an arithmetic number, because the mean of its divisors is an integer number (6021056209).

Almost surely, 2^12042112417 is an apocalyptic number.

It is an amenable number.

12042112417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12042112417 is an equidigital number, since it uses as much as digits as its factorization.

12042112417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 896, while the sum is 25.

Adding to 12042112417 its reverse (71421124021), we get a palindrome (83463236438).

The spelling of 12042112417 in words is "twelve billion, forty-two million, one hundred twelve thousand, four hundred seventeen".