12322431322 has 4 divisors (see below), whose sum is σ = 18483646986. Its totient is φ = 6161215660.

The previous prime is 12322431299. The next prime is 12322431347. The reversal of 12322431322 is 22313422321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11850281881 + 472149441 = 108859^2 + 21729^2 .

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 as a sum of consecutive naturals, namely, 3080607829 + ... + 3080607832.

Almost surely, 2^12322431322 is an apocalyptic number.

12322431322 is a deficient number, since it is larger than the sum of its proper divisors (6161215664).

12322431322 is an equidigital number, since it uses as much as digits as its factorization.

12322431322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6161215663.

The product of its digits is 3456, while the sum is 25.

Adding to 12322431322 its reverse (22313422321), we get a palindrome (34635853643).

Subtracting 12322431322 from its reverse (22313422321), we obtain a palindrome (9990990999).

The spelling of 12322431322 in words is "twelve billion, three hundred twenty-two million, four hundred thirty-one thousand, three hundred twenty-two".