12443322122 has 32 divisors (see below), whose sum is σ = 23367256704. Its totient is φ = 4827916800.

The previous prime is 12443322103. The next prime is 12443322131. The reversal of 12443322122 is 22122334421.

It is a junction number, because it is equal to n+sod(n) for n = 12443322091 and 12443322100.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130523 + ... + 204750.

It is an arithmetic number, because the mean of its divisors is an integer number (730226772).

Almost surely, 2^12443322122 is an apocalyptic number.

12443322122 is a deficient number, since it is larger than the sum of its proper divisors (10923934582).

12443322122 is a wasteful number, since it uses less digits than its factorization.

12443322122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 335534.

The product of its digits is 4608, while the sum is 26.

Adding to 12443322122 its reverse (22122334421), we get a palindrome (34565656543).

The spelling of 12443322122 in words is "twelve billion, four hundred forty-three million, three hundred twenty-two thousand, one hundred twenty-two".