12005217127754 has 8 divisors (see below), whose sum is σ = 18028692236160. Its totient is φ = 5995653049036.

The previous prime is 12005217127723. The next prime is 12005217127759. The reversal of 12005217127754 is 45772171250021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12005217127759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3477755264 + ... + 3477758715.

It is an arithmetic number, because the mean of its divisors is an integer number (2253586529520).

Almost surely, 2^{12005217127754} is an apocalyptic number.

12005217127754 is a deficient number, since it is larger than the sum of its proper divisors (6023475108406).

12005217127754 is an equidigital number, since it uses as much as digits as its factorization.

12005217127754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955514844.

The product of its (nonzero) digits is 274400, while the sum is 44.

Adding to 12005217127754 its reverse (45772171250021), we get a palindrome (57777388377775).

The spelling of 12005217127754 in words is "twelve trillion, five billion, two hundred seventeen million, one hundred twenty-seven thousand, seven hundred fifty-four".