12204243343 has 16 divisors (see below), whose sum is σ = 13179335040. Its totient is φ = 11265976800.

The previous prime is 12204243329. The next prime is 12204243349. The reversal of 12204243343 is 34334240221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12204243343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12204243349) 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 15 ways as a sum of consecutive naturals, for example, 74808 + ... + 173218.

It is an arithmetic number, because the mean of its divisors is an integer number (823708440).

Almost surely, 2^12204243343 is an apocalyptic number.

12204243343 is a deficient number, since it is larger than the sum of its proper divisors (975091697).

12204243343 is a wasteful number, since it uses less digits than its factorization.

12204243343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98598.

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 12204243343 its reverse (34334240221), we get a palindrome (46538483564).

The spelling of 12204243343 in words is "twelve billion, two hundred four million, two hundred forty-three thousand, three hundred forty-three".