1224313233265 has 8 divisors (see below), whose sum is σ = 1508883336360. Its totient is φ = 952978948992.

The previous prime is 1224313233257. The next prime is 1224313233281. The reversal of 1224313233265 is 5623323134221.

It can be written as a sum of positive squares in 4 ways, for example, as 454924619361 + 769388613904 = 674481^2 + 877148^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1224313233265 - 2³ = 1224313233257 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3308954500 + ... + 3308954869.

It is an arithmetic number, because the mean of its divisors is an integer number (188610417045).

Almost surely, 2^{1224313233265} is an apocalyptic number.

It is an amenable number.

1224313233265 is a deficient number, since it is larger than the sum of its proper divisors (284570103095).

1224313233265 is an equidigital number, since it uses as much as digits as its factorization.

1224313233265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6617909411.

The product of its digits is 155520, while the sum is 37.

Adding to 1224313233265 its reverse (5623323134221), we get a palindrome (6847636367486).

The spelling of 1224313233265 in words is "one trillion, two hundred twenty-four billion, three hundred thirteen million, two hundred thirty-three thousand, two hundred sixty-five".