12231433405 has 8 divisors (see below), whose sum is σ = 14678321112. Its totient is φ = 9784746048.

The previous prime is 12231433381. The next prime is 12231433457. The reversal of 12231433405 is 50433413221.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 199317924 + 12032115481 = 14118^2 + 109691^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12231433405 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 181999 + ... + 239971.

It is an arithmetic number, because the mean of its divisors is an integer number (1834790139).

Almost surely, 2^12231433405 is an apocalyptic number.

It is an amenable number.

12231433405 is a deficient number, since it is larger than the sum of its proper divisors (2446887707).

12231433405 is an equidigital number, since it uses as much as digits as its factorization.

12231433405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100175.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 12231433405 its reverse (50433413221), we get a palindrome (62664846626).

The spelling of 12231433405 in words is "twelve billion, two hundred thirty-one million, four hundred thirty-three thousand, four hundred five".