1224144220133 has 4 divisors (see below), whose sum is σ = 1228469818368. Its totient is φ = 1219818621900.

The previous prime is 1224144220087. The next prime is 1224144220147. The reversal of 1224144220133 is 3310224414221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1224144220133 - 2²⁴ = 1224127442917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1224144220096 and 1224144220105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224144220183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2162798693 + ... + 2162799258.

It is an arithmetic number, because the mean of its divisors is an integer number (307117454592).

Almost surely, 2^{1224144220133} is an apocalyptic number.

It is an amenable number.

1224144220133 is a deficient number, since it is larger than the sum of its proper divisors (4325598235).

1224144220133 is an equidigital number, since it uses as much as digits as its factorization.

1224144220133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4325598234.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 1224144220133 its reverse (3310224414221), we get a palindrome (4534368634354).

The spelling of 1224144220133 in words is "one trillion, two hundred twenty-four billion, one hundred forty-four million, two hundred twenty thousand, one hundred thirty-three".