12033223001 has 4 divisors (see below), whose sum is σ = 12067702500. Its totient is φ = 11998743504.

The previous prime is 12033222989. The next prime is 12033223003. The reversal of 12033223001 is 10032233021.

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

It can be written as a sum of positive squares in 2 ways, for example, as 7313670400 + 4719552601 = 85520^2 + 68699^2 .

It is a cyclic number.

It is not a de Polignac number, because 12033223001 - 2²⁶ = 11966114137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12033223003) 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, 17239226 + ... + 17239923.

It is an arithmetic number, because the mean of its divisors is an integer number (3016925625).

Almost surely, 2^12033223001 is an apocalyptic number.

It is an amenable number.

12033223001 is a deficient number, since it is larger than the sum of its proper divisors (34479499).

12033223001 is an equidigital number, since it uses as much as digits as its factorization.

12033223001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34479498.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 12033223001 its reverse (10032233021), we get a palindrome (22065456022).

The spelling of 12033223001 in words is "twelve billion, thirty-three million, two hundred twenty-three thousand, one".