12433221022 has 4 divisors (see below), whose sum is σ = 18649831536. Its totient is φ = 6216610510.

The previous prime is 12433220971. The next prime is 12433221029. The reversal of 12433221022 is 22012233421.

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

It is a super-4 number, since 4×12433221022⁴ (a number of 41 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12433220984 and 12433221002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12433221029) 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 as a sum of consecutive naturals, namely, 3108305254 + ... + 3108305257.

It is an arithmetic number, because the mean of its divisors is an integer number (4662457884).

Almost surely, 2^12433221022 is an apocalyptic number.

12433221022 is a deficient number, since it is larger than the sum of its proper divisors (6216610514).

12433221022 is an equidigital number, since it uses as much as digits as its factorization.

12433221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6216610513.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12433221022 its reverse (22012233421), we get a palindrome (34445454443).

The spelling of 12433221022 in words is "twelve billion, four hundred thirty-three million, two hundred twenty-one thousand, twenty-two".