1223333013321 has 16 divisors (see below), whose sum is σ = 1812365944320. Its totient is φ = 815546009520.

The previous prime is 1223333013317. The next prime is 1223333013379. The reversal of 1223333013321 is 1233103333221.

1223333013321 is a `hidden beast` number, since 1 + 2 + 2 + 3 + 3 + 330 + 1 + 3 + 321 = 666.

It is not a de Polignac number, because 1223333013321 - 2² = 1223333013317 is a prime.

It is a super-2 number, since 2×1223333013321² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1223333063321) 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 15 ways as a sum of consecutive naturals, for example, 2800491 + ... + 3207711.

It is an arithmetic number, because the mean of its divisors is an integer number (113272871520).

Almost surely, 2^{1223333013321} is an apocalyptic number.

It is an amenable number.

1223333013321 is a deficient number, since it is larger than the sum of its proper divisors (589032930999).

1223333013321 is a wasteful number, since it uses less digits than its factorization.

1223333013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 518493 (or 518487 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 27.

Adding to 1223333013321 its reverse (1233103333221), we get a palindrome (2456436346542).

The spelling of 1223333013321 in words is "one trillion, two hundred twenty-three billion, three hundred thirty-three million, thirteen thousand, three hundred twenty-one".