1224303320013 has 16 divisors (see below), whose sum is σ = 1706492622336. Its totient is φ = 779287869360.

The previous prime is 1224303319999. The next prime is 1224303320039. The reversal of 1224303320013 is 3100233034221.

It is not a de Polignac number, because 1224303320013 - 2⁴ = 1224303319997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224303320413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16181203 + ... + 16256688.

It is an arithmetic number, because the mean of its divisors is an integer number (106655788896).

Almost surely, 2^{1224303320013} is an apocalyptic number.

It is an amenable number.

1224303320013 is a deficient number, since it is larger than the sum of its proper divisors (482189302323).

1224303320013 is a wasteful number, since it uses less digits than its factorization.

1224303320013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32438464.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 1224303320013 its reverse (3100233034221), we get a palindrome (4324536354234).

It can be divided in two parts, 122430 and 3320013, that added together give a palindrome (3442443).

The spelling of 1224303320013 in words is "one trillion, two hundred twenty-four billion, three hundred three million, three hundred twenty thousand, thirteen".