12001110221233 has 4 divisors (see below), whose sum is σ = 13715554538560. Its totient is φ = 10286665903908.

The previous prime is 12001110221179. The next prime is 12001110221239. The reversal of 12001110221233 is 33212201110021.

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 a de Polignac number, because none of the positive numbers 2^k-12001110221233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12001110221233.

It is not an unprimeable number, because it can be changed into a prime (12001110221239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 857222158653 + ... + 857222158666.

It is an arithmetic number, because the mean of its divisors is an integer number (3428888634640).

Almost surely, 2^{12001110221233} is an apocalyptic number.

It is an amenable number.

12001110221233 is a deficient number, since it is larger than the sum of its proper divisors (1714444317327).

12001110221233 is an equidigital number, since it uses as much as digits as its factorization.

12001110221233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1714444317326.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12001110221233 its reverse (33212201110021), we get a palindrome (45213311331254).

The spelling of 12001110221233 in words is "twelve trillion, one billion, one hundred ten million, two hundred twenty-one thousand, two hundred thirty-three".