12341345221 has 8 divisors (see below), whose sum is σ = 12926897280. Its totient is φ = 11759874192.

The previous prime is 12341345197. The next prime is 12341345231. The reversal of 12341345221 is 12254314321.

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

It is a cyclic number.

It is not a de Polignac number, because 12341345221 - 2⁵ = 12341345189 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12341345221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12341345231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1014066 + ... + 1026163.

It is an arithmetic number, because the mean of its divisors is an integer number (1615862160).

Almost surely, 2^12341345221 is an apocalyptic number.

It is an amenable number.

12341345221 is a deficient number, since it is larger than the sum of its proper divisors (585552059).

12341345221 is a wasteful number, since it uses less digits than its factorization.

12341345221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2040515.

The product of its digits is 5760, while the sum is 28.

Adding to 12341345221 its reverse (12254314321), we get a palindrome (24595659542).

The spelling of 12341345221 in words is "twelve billion, three hundred forty-one million, three hundred forty-five thousand, two hundred twenty-one".