12231303033 has 4 divisors (see below), whose sum is σ = 16308404048. Its totient is φ = 8154202020.

The previous prime is 12231303031. The next prime is 12231303061. The reversal of 12231303033 is 33030313221.

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 12231303033 - 2¹ = 12231303031 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12231303031) 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, 2038550503 + ... + 2038550508.

It is an arithmetic number, because the mean of its divisors is an integer number (4077101012).

Almost surely, 2^12231303033 is an apocalyptic number.

It is an amenable number.

12231303033 is a deficient number, since it is larger than the sum of its proper divisors (4077101015).

12231303033 is an equidigital number, since it uses as much as digits as its factorization.

12231303033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077101014.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 12231303033 its reverse (33030313221), we get a palindrome (45261616254).

The spelling of 12231303033 in words is "twelve billion, two hundred thirty-one million, three hundred three thousand, thirty-three".