12262222144 has 28 divisors (see below), whose sum is σ = 24340194144. Its totient is φ = 6129259904.

The previous prime is 12262222123. The next prime is 12262222183. The reversal of 12262222144 is 44122226221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 198567 + ... + 252889.

It is an arithmetic number, because the mean of its divisors is an integer number (869292648).

Almost surely, 2^12262222144 is an apocalyptic number.

It is an amenable number.

12262222144 is a deficient number, since it is larger than the sum of its proper divisors (12077972000).

12262222144 is an equidigital number, since it uses as much as digits as its factorization.

12262222144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57862 (or 57852 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 12262222144 its reverse (44122226221), we get a palindrome (56384448365).

The spelling of 12262222144 in words is "twelve billion, two hundred sixty-two million, two hundred twenty-two thousand, one hundred forty-four".