12021233303 has 4 divisors (see below), whose sum is σ = 12224983080. Its totient is φ = 11817483528.

The previous prime is 12021233299. The next prime is 12021233321. The reversal of 12021233303 is 30333212021.

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

It is a cyclic number.

It is not a de Polignac number, because 12021233303 - 2² = 12021233299 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 (12021233503) 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, 101874800 + ... + 101874917.

It is an arithmetic number, because the mean of its divisors is an integer number (3056245770).

Almost surely, 2^12021233303 is an apocalyptic number.

12021233303 is a deficient number, since it is larger than the sum of its proper divisors (203749777).

12021233303 is an equidigital number, since it uses as much as digits as its factorization.

12021233303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203749776.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 12021233303 its reverse (30333212021), we get a palindrome (42354445324).

The spelling of 12021233303 in words is "twelve billion, twenty-one million, two hundred thirty-three thousand, three hundred three".