12005217127723 has 2 divisors, whose sum is σ = 12005217127724. Its totient is φ = 12005217127722.

The previous prime is 12005217127697. The next prime is 12005217127759. The reversal of 12005217127723 is 32772171250021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12005217127723 - 2¹³ = 12005217119531 is a prime.

It is not a weakly prime, because it can be changed into another prime (12005217124723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6002608563861 + 6002608563862.

It is an arithmetic number, because the mean of its divisors is an integer number (6002608563862).

Almost surely, 2^{12005217127723} is an apocalyptic number.

12005217127723 is a deficient number, since it is larger than the sum of its proper divisors (1).

12005217127723 is an equidigital number, since it uses as much as digits as its factorization.

12005217127723 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 82320, while the sum is 40.

Adding to 12005217127723 its reverse (32772171250021), we get a palindrome (44777388377744).

The spelling of 12005217127723 in words is "twelve trillion, five billion, two hundred seventeen million, one hundred twenty-seven thousand, seven hundred twenty-three".