12001222320233 has 4 divisors (see below), whose sum is σ = 12001234227600. Its totient is φ = 12001210412868.

The previous prime is 12001222320229. The next prime is 12001222320289. The reversal of 12001222320233 is 33202322210021.

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 12001222320233 - 2² = 12001222320229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001222320199 and 12001222320208.

It is not an unprimeable number, because it can be changed into a prime (12001222320733) 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, 4286183 + ... + 6509516.

It is an arithmetic number, because the mean of its divisors is an integer number (3000308556900).

Almost surely, 2^{12001222320233} is an apocalyptic number.

It is an amenable number.

12001222320233 is a deficient number, since it is larger than the sum of its proper divisors (11907367).

12001222320233 is a wasteful number, since it uses less digits than its factorization.

12001222320233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11907366.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 12001222320233 its reverse (33202322210021), we get a palindrome (45203544530254).

The spelling of 12001222320233 in words is "twelve trillion, one billion, two hundred twenty-two million, three hundred twenty thousand, two hundred thirty-three".