12223130144 has 12 divisors (see below), whose sum is σ = 24064287534. Its totient is φ = 6111565056.

The previous prime is 12223130131. The next prime is 12223130209. The reversal of 12223130144 is 44103132221.

It can be written as a sum of positive squares in only one way, i.e., 9196810000 + 3026320144 = 95900^2 + 55012^2 .

It is a super-2 number, since 2×12223130144² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 190986377 + ... + 190986440.

Almost surely, 2^12223130144 is an apocalyptic number.

It is an amenable number.

12223130144 is a deficient number, since it is larger than the sum of its proper divisors (11841157390).

12223130144 is an equidigital number, since it uses as much as digits as its factorization.

12223130144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381972827 (or 381972819 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 12223130144 its reverse (44103132221), we get a palindrome (56326262365).

The spelling of 12223130144 in words is "twelve billion, two hundred twenty-three million, one hundred thirty thousand, one hundred forty-four".