12120321333 has 4 divisors (see below), whose sum is σ = 16160428448. Its totient is φ = 8080214220.

The previous prime is 12120321299. The next prime is 12120321359. The reversal of 12120321333 is 33312302121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12120321333 - 2²² = 12116127029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120321233) 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 3 ways as a sum of consecutive naturals, for example, 2020053553 + ... + 2020053558.

It is an arithmetic number, because the mean of its divisors is an integer number (4040107112).

Almost surely, 2^12120321333 is an apocalyptic number.

It is an amenable number.

12120321333 is a deficient number, since it is larger than the sum of its proper divisors (4040107115).

12120321333 is an equidigital number, since it uses as much as digits as its factorization.

12120321333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040107114.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12120321333 its reverse (33312302121), we get a palindrome (45432623454).

The spelling of 12120321333 in words is "twelve billion, one hundred twenty million, three hundred twenty-one thousand, three hundred thirty-three".