1224442143003 has 4 divisors (see below), whose sum is σ = 1632589524008. Its totient is φ = 816294762000.

The previous prime is 1224442142981. The next prime is 1224442143011. The reversal of 1224442143003 is 3003412444221.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1224442143003 - 2¹⁴ = 1224442126619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224442143013) 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, 204073690498 + ... + 204073690503.

It is an arithmetic number, because the mean of its divisors is an integer number (408147381002).

Almost surely, 2^{1224442143003} is an apocalyptic number.

1224442143003 is a deficient number, since it is larger than the sum of its proper divisors (408147381005).

1224442143003 is an equidigital number, since it uses as much as digits as its factorization.

1224442143003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408147381004.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1224442143003 its reverse (3003412444221), we get a palindrome (4227854587224).

The spelling of 1224442143003 in words is "one trillion, two hundred twenty-four billion, four hundred forty-two million, one hundred forty-three thousand, three".