12404400329 has 2 divisors, whose sum is σ = 12404400330. Its totient is φ = 12404400328.

The previous prime is 12404400299. The next prime is 12404400343. The reversal of 12404400329 is 92300440421.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11033401600 + 1370998729 = 105040^2 + 37027^2 .

It is a cyclic number.

It is not a de Polignac number, because 12404400329 - 2¹⁶ = 12404334793 is a prime.

It is not a weakly prime, because it can be changed into another prime (12404408329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202200164 + 6202200165.

It is an arithmetic number, because the mean of its divisors is an integer number (6202200165).

Almost surely, 2^12404400329 is an apocalyptic number.

It is an amenable number.

12404400329 is a deficient number, since it is larger than the sum of its proper divisors (1).

12404400329 is an equidigital number, since it uses as much as digits as its factorization.

12404400329 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 12404400329 in words is "twelve billion, four hundred four million, four hundred thousand, three hundred twenty-nine".