12233442646 has 8 divisors (see below), whose sum is σ = 18350670240. Its totient is φ = 6116552568.

The previous prime is 12233442643. The next prime is 12233442647. The reversal of 12233442646 is 64624433221.

12233442646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12233442643) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 47395 + ... + 163441.

It is an arithmetic number, because the mean of its divisors is an integer number (2293833780).

Almost surely, 2^12233442646 is an apocalyptic number.

12233442646 is a deficient number, since it is larger than the sum of its proper divisors (6117227594).

12233442646 is a wasteful number, since it uses less digits than its factorization.

12233442646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168758.

The product of its digits is 165888, while the sum is 37.

Adding to 12233442646 its reverse (64624433221), we get a palindrome (76857875867).

The spelling of 12233442646 in words is "twelve billion, two hundred thirty-three million, four hundred forty-two thousand, six hundred forty-six".