1320240123224 has 32 divisors (see below), whose sum is σ = 2817903824640. Its totient is φ = 574017444000.

The previous prime is 1320240123221. The next prime is 1320240123317. The reversal of 1320240123224 is 4223210420231.

It is a junction number, because it is equal to n+sod(n) for n = 1320240123193 and 1320240123202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320240123221) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 326144252 + ... + 326148299.

It is an arithmetic number, because the mean of its divisors is an integer number (88059494520).

Almost surely, 2^{1320240123224} is an apocalyptic number.

It is an amenable number.

1320240123224 is an abundant number, since it is smaller than the sum of its proper divisors (1497663701416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320240123224 is a wasteful number, since it uses less digits than its factorization.

1320240123224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652292591 (or 652292587 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1320240123224 its reverse (4223210420231), we get a palindrome (5543450543455).

The spelling of 1320240123224 in words is "one trillion, three hundred twenty billion, two hundred forty million, one hundred twenty-three thousand, two hundred twenty-four".