12012302233 has 4 divisors (see below), whose sum is σ = 12013527568. Its totient is φ = 12011076900.

The previous prime is 12012302191. The next prime is 12012302243. The reversal of 12012302233 is 33220321021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33220321021 = 173 ⋅192024977.

It is a cyclic number.

It is not a de Polignac number, because 12012302233 - 2¹⁷ = 12012171161 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12012302233.

It is not an unprimeable number, because it can be changed into a prime (12012302243) 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, 597843 + ... + 617608.

It is an arithmetic number, because the mean of its divisors is an integer number (3003381892).

Almost surely, 2^12012302233 is an apocalyptic number.

It is an amenable number.

12012302233 is a deficient number, since it is larger than the sum of its proper divisors (1225335).

12012302233 is an equidigital number, since it uses as much as digits as its factorization.

12012302233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1225334.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 12012302233 its reverse (33220321021), we get a palindrome (45232623254).

The spelling of 12012302233 in words is "twelve billion, twelve million, three hundred two thousand, two hundred thirty-three".