12322312234 has 4 divisors (see below), whose sum is σ = 18483468354. Its totient is φ = 6161156116.

The previous prime is 12322312229. The next prime is 12322312253. The reversal of 12322312234 is 43221322321.

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., 12255154209 + 67158025 = 110703^2 + 8195^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12322312199 and 12322312208.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3080578057 + ... + 3080578060.

Almost surely, 2^12322312234 is an apocalyptic number.

12322312234 is a deficient number, since it is larger than the sum of its proper divisors (6161156120).

12322312234 is an equidigital number, since it uses as much as digits as its factorization.

12322312234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6161156119.

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

Adding to 12322312234 its reverse (43221322321), we get a palindrome (55543634555).

The spelling of 12322312234 in words is "twelve billion, three hundred twenty-two million, three hundred twelve thousand, two hundred thirty-four".