12033031303 has 4 divisors (see below), whose sum is σ = 12666348760. Its totient is φ = 11399713848.

The previous prime is 12033031301. The next prime is 12033031319. The reversal of 12033031303 is 30313033021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30313033021 = 4421 ⋅6856601.

It is a cyclic number.

It is not a de Polignac number, because 12033031303 - 2¹ = 12033031301 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 633317437 = 12033031303 / (1 + 2 + 0 + 3 + 3 + 0 + 3 + 1 + 3 + 0 + 3).

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 316658700 + ... + 316658737.

It is an arithmetic number, because the mean of its divisors is an integer number (3166587190).

Almost surely, 2^12033031303 is an apocalyptic number.

12033031303 is a deficient number, since it is larger than the sum of its proper divisors (633317457).

12033031303 is an equidigital number, since it uses as much as digits as its factorization.

12033031303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 633317456.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 12033031303 its reverse (30313033021), we get a palindrome (42346064324).

The spelling of 12033031303 in words is "twelve billion, thirty-three million, thirty-one thousand, three hundred three".