12204443129 has 2 divisors, whose sum is σ = 12204443130. Its totient is φ = 12204443128.

The previous prime is 12204443087. The next prime is 12204443231. The reversal of 12204443129 is 92134440221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11454778729 + 749664400 = 107027^2 + 27380^2 .

It is a cyclic number.

It is not a de Polignac number, because 12204443129 - 2¹⁶ = 12204377593 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12204443095 and 12204443104.

It is not a weakly prime, because it can be changed into another prime (12204448129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6102221564 + 6102221565.

It is an arithmetic number, because the mean of its divisors is an integer number (6102221565).

Almost surely, 2^12204443129 is an apocalyptic number.

It is an amenable number.

12204443129 is a deficient number, since it is larger than the sum of its proper divisors (1).

12204443129 is an equidigital number, since it uses as much as digits as its factorization.

12204443129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 32.

The spelling of 12204443129 in words is "twelve billion, two hundred four million, four hundred forty-three thousand, one hundred twenty-nine".