12105014417 has 2 divisors, whose sum is σ = 12105014418. Its totient is φ = 12105014416.

The previous prime is 12105014413. The next prime is 12105014423. The reversal of 12105014417 is 71441050121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8637100096 + 3467914321 = 92936^2 + 58889^2 .

It is a cyclic number.

It is not a de Polignac number, because 12105014417 - 2² = 12105014413 is a prime.

It is not a weakly prime, because it can be changed into another prime (12105014413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6052507208 + 6052507209.

It is an arithmetic number, because the mean of its divisors is an integer number (6052507209).

Almost surely, 2^12105014417 is an apocalyptic number.

It is an amenable number.

12105014417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12105014417 is an equidigital number, since it uses as much as digits as its factorization.

12105014417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1120, while the sum is 26.

Adding to 12105014417 its reverse (71441050121), we get a palindrome (83546064538).

The spelling of 12105014417 in words is "twelve billion, one hundred five million, fourteen thousand, four hundred seventeen".