12002144433 has 4 divisors (see below), whose sum is σ = 16002859248. Its totient is φ = 8001429620.

The previous prime is 12002144423. The next prime is 12002144491. The reversal of 12002144433 is 33444120021.

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 a cyclic number.

It is not a de Polignac number, because 12002144433 - 2⁴ = 12002144417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12002144423) 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, 2000357403 + ... + 2000357408.

It is an arithmetic number, because the mean of its divisors is an integer number (4000714812).

Almost surely, 2^12002144433 is an apocalyptic number.

It is an amenable number.

12002144433 is a deficient number, since it is larger than the sum of its proper divisors (4000714815).

12002144433 is an equidigital number, since it uses as much as digits as its factorization.

12002144433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4000714814.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 12002144433 its reverse (33444120021), we get a palindrome (45446264454).

The spelling of 12002144433 in words is "twelve billion, two million, one hundred forty-four thousand, four hundred thirty-three".