12643133322 has 32 divisors (see below), whose sum is σ = 25977696192. Its totient is φ = 4099209984.

The previous prime is 12643133303. The next prime is 12643133329. The reversal of 12643133322 is 22333134621.

It is a self number, because there is not a number n which added to its sum of digits gives 12643133322.

It is not an unprimeable number, because it can be changed into a prime (12643133329) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 944178 + ... + 957474.

It is an arithmetic number, because the mean of its divisors is an integer number (811803006).

Almost surely, 2^12643133322 is an apocalyptic number.

12643133322 is an abundant number, since it is smaller than the sum of its proper divisors (13334562870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12643133322 is a wasteful number, since it uses less digits than its factorization.

12643133322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17622.

The product of its digits is 15552, while the sum is 30.

Adding to 12643133322 its reverse (22333134621), we get a palindrome (34976267943).

The spelling of 12643133322 in words is "twelve billion, six hundred forty-three million, one hundred thirty-three thousand, three hundred twenty-two".