12204004345 has 32 divisors (see below), whose sum is σ = 16111468800. Its totient is φ = 8819331840.

The previous prime is 12204004343. The next prime is 12204004357. The reversal of 12204004345 is 54340040221.

It is a happy number.

It is not a de Polignac number, because 12204004345 - 2¹ = 12204004343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12204004343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 781302 + ... + 796768.

It is an arithmetic number, because the mean of its divisors is an integer number (503483400).

Almost surely, 2^12204004345 is an apocalyptic number.

It is an amenable number.

12204004345 is a deficient number, since it is larger than the sum of its proper divisors (3907464455).

12204004345 is a wasteful number, since it uses less digits than its factorization.

12204004345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15745.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 12204004345 its reverse (54340040221), we get a palindrome (66544044566).

The spelling of 12204004345 in words is "twelve billion, two hundred four million, four thousand, three hundred forty-five".