12221445775017 has 16 divisors (see below), whose sum is σ = 17259402456000. Its totient is φ = 7665870730752.

The previous prime is 12221445774997. The next prime is 12221445775061. The reversal of 12221445775017 is 71057754412221.

It is not a de Polignac number, because 12221445775017 - 2⁸ = 12221445774761 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12221445775067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38706892 + ... + 39021357.

It is an arithmetic number, because the mean of its divisors is an integer number (1078712653500).

Almost surely, 2^{12221445775017} is an apocalyptic number.

12221445775017 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12221445775017 is a deficient number, since it is larger than the sum of its proper divisors (5037956680983).

12221445775017 is a wasteful number, since it uses less digits than its factorization.

12221445775017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77731352.

The product of its (nonzero) digits is 1097600, while the sum is 48.

The spelling of 12221445775017 in words is "twelve trillion, two hundred twenty-one billion, four hundred forty-five million, seven hundred seventy-five thousand, seventeen".