1224513222543 has 12 divisors (see below), whose sum is σ = 1904798346360. Its totient is φ = 753546598416.

The previous prime is 1224513222539. The next prime is 1224513222553. The reversal of 1224513222543 is 3452223154221.

1224513222543 is a `hidden beast` number, since 1 + 22 + 45 + 1 + 32 + 22 + 543 = 666.

It is not a de Polignac number, because 1224513222543 - 2² = 1224513222539 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1224513222498 and 1224513222507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224513222553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5232962373 + ... + 5232962606.

It is an arithmetic number, because the mean of its divisors is an integer number (158733195530).

Almost surely, 2^{1224513222543} is an apocalyptic number.

1224513222543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1224513222543 is a deficient number, since it is larger than the sum of its proper divisors (680285123817).

1224513222543 is a wasteful number, since it uses less digits than its factorization.

1224513222543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10465924998 (or 10465924995 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

Adding to 1224513222543 its reverse (3452223154221), we get a palindrome (4676736376764).

The spelling of 1224513222543 in words is "one trillion, two hundred twenty-four billion, five hundred thirteen million, two hundred twenty-two thousand, five hundred forty-three".