12532321322 has 4 divisors (see below), whose sum is σ = 18798481986. Its totient is φ = 6266160660.

The previous prime is 12532321297. The next prime is 12532321339. The reversal of 12532321322 is 22312323521.

12532321322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 22312323521 = 359 ⋅62151319.

It can be written as a sum of positive squares in only one way, i.e., 12234793321 + 297528001 = 110611^2 + 17249^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12532321291 and 12532321300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3133080329 + ... + 3133080332.

Almost surely, 2^12532321322 is an apocalyptic number.

12532321322 is a deficient number, since it is larger than the sum of its proper divisors (6266160664).

12532321322 is an equidigital number, since it uses as much as digits as its factorization.

12532321322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6266160663.

The product of its digits is 4320, while the sum is 26.

Adding to 12532321322 its reverse (22312323521), we get a palindrome (34844644843).

The spelling of 12532321322 in words is "twelve billion, five hundred thirty-two million, three hundred twenty-one thousand, three hundred twenty-two".