12204234234 has 12 divisors (see below), whose sum is σ = 26442507546. Its totient is φ = 4068078072.

The previous prime is 12204234199. The next prime is 12204234239. The reversal of 12204234234 is 43243240221.

12204234234 is a `hidden beast` number, since 1 + 2 + 2 + 0 + 423 + 4 + 234 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8153548209 + 4050686025 = 90297^2 + 63645^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12204234198 and 12204234207.

It is not an unprimeable number, because it can be changed into a prime (12204234239) 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 5 ways as a sum of consecutive naturals, for example, 339006489 + ... + 339006524.

Almost surely, 2^12204234234 is an apocalyptic number.

12204234234 is an abundant number, since it is smaller than the sum of its proper divisors (14238273312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12204234234 is a wasteful number, since it uses less digits than its factorization.

12204234234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678013021 (or 678013018 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

Adding to 12204234234 its reverse (43243240221), we get a palindrome (55447474455).

The spelling of 12204234234 in words is "twelve billion, two hundred four million, two hundred thirty-four thousand, two hundred thirty-four".