12342220305 has 8 divisors (see below), whose sum is σ = 19747552512. Its totient is φ = 6582517488.

The previous prime is 12342220273. The next prime is 12342220321. The reversal of 12342220305 is 50302224321.

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

It is not a de Polignac number, because 12342220305 - 2⁵ = 12342220273 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 411407329 + ... + 411407358.

It is an arithmetic number, because the mean of its divisors is an integer number (2468444064).

Almost surely, 2^12342220305 is an apocalyptic number.

12342220305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12342220305 is a deficient number, since it is larger than the sum of its proper divisors (7405332207).

12342220305 is an equidigital number, since it uses as much as digits as its factorization.

12342220305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822814695.

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 12342220305 its reverse (50302224321), we get a palindrome (62644444626).

The spelling of 12342220305 in words is "twelve billion, three hundred forty-two million, two hundred twenty thousand, three hundred five".