12204243345 has 16 divisors (see below), whose sum is σ = 22316330880. Its totient is φ = 5579082624.

The previous prime is 12204243329. The next prime is 12204243349. The reversal of 12204243345 is 54334240221.

It is not a de Polignac number, because 12204243345 - 2⁴ = 12204243329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12204243349) 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, 58115340 + ... + 58115549.

It is an arithmetic number, because the mean of its divisors is an integer number (1394770680).

Almost surely, 2^12204243345 is an apocalyptic number.

12204243345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12204243345 is a deficient number, since it is larger than the sum of its proper divisors (10112087535).

12204243345 is a wasteful number, since it uses less digits than its factorization.

12204243345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116230904.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 12204243345 its reverse (54334240221), we get a palindrome (66538483566).

The spelling of 12204243345 in words is "twelve billion, two hundred four million, two hundred forty-three thousand, three hundred forty-five".