12033031321 has 8 divisors (see below), whose sum is σ = 12290949504. Its totient is φ = 11775192240.

The previous prime is 12033031319. The next prime is 12033031333. The reversal of 12033031321 is 12313033021.

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 12033031321 - 2¹ = 12033031319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12033031301) 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, 368371 + ... + 399703.

It is an arithmetic number, because the mean of its divisors is an integer number (1536368688).

Almost surely, 2^12033031321 is an apocalyptic number.

It is an amenable number.

12033031321 is a deficient number, since it is larger than the sum of its proper divisors (257918183).

12033031321 is an equidigital number, since it uses as much as digits as its factorization.

12033031321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39551.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12033031321 its reverse (12313033021), we get a palindrome (24346064342).

The spelling of 12033031321 in words is "twelve billion, thirty-three million, thirty-one thousand, three hundred twenty-one".