12333442321 has 4 divisors (see below), whose sum is σ = 12337150500. Its totient is φ = 12329734144.

The previous prime is 12333442309. The next prime is 12333442333. The reversal of 12333442321 is 12324433321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12333442309) and next prime (12333442333).

It can be written as a sum of positive squares in 2 ways, for example, as 5735941696 + 6597500625 = 75736^2 + 81225^2 .

It is a cyclic number.

It is not a de Polignac number, because 12333442321 - 2⁷ = 12333442193 is a prime.

It is a super-2 number, since 2×12333442321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12333442321.

It is not an unprimeable number, because it can be changed into a prime (12333442361) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849096 + ... + 1855753.

It is an arithmetic number, because the mean of its divisors is an integer number (3084287625).

Almost surely, 2^12333442321 is an apocalyptic number.

It is an amenable number.

12333442321 is a deficient number, since it is larger than the sum of its proper divisors (3708179).

12333442321 is an equidigital number, since it uses as much as digits as its factorization.

12333442321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708178.

The product of its digits is 10368, while the sum is 28.

Adding to 12333442321 its reverse (12324433321), we get a palindrome (24657875642).

The spelling of 12333442321 in words is "twelve billion, three hundred thirty-three million, four hundred forty-two thousand, three hundred twenty-one".