1224303320012 has 12 divisors (see below), whose sum is σ = 2142539370720. Its totient is φ = 612149214096.

The previous prime is 1224303319999. The next prime is 1224303320039. The reversal of 1224303320012 is 2100233034221.

It is a self number, because there is not a number n which added to its sum of digits gives 1224303320012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 968189 + ... + 1840107.

It is an arithmetic number, because the mean of its divisors is an integer number (178544947560).

Almost surely, 2^{1224303320012} is an apocalyptic number.

It is an amenable number.

1224303320012 is a deficient number, since it is larger than the sum of its proper divisors (918236050708).

1224303320012 is a wasteful number, since it uses less digits than its factorization.

1224303320012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1222960 (or 1222958 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 1224303320012 its reverse (2100233034221), we get a palindrome (3324536354233).

The spelling of 1224303320012 in words is "one trillion, two hundred twenty-four billion, three hundred three million, three hundred twenty thousand, twelve".