12001222221033 has 16 divisors (see below), whose sum is σ = 16342388096256. Its totient is φ = 7830441793920.

The previous prime is 12001222221013. The next prime is 12001222221071. The reversal of 12001222221033 is 33012222210021.

It is not a de Polignac number, because 12001222221033 - 2⁶ = 12001222220969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12001222221013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7270803 + ... + 8767383.

It is an arithmetic number, because the mean of its divisors is an integer number (1021399256016).

Almost surely, 2^{12001222221033} is an apocalyptic number.

It is an amenable number.

12001222221033 is a deficient number, since it is larger than the sum of its proper divisors (4341165875223).

12001222221033 is a wasteful number, since it uses less digits than its factorization.

12001222221033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1553504.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 12001222221033 its reverse (33012222210021), we get a palindrome (45013444431054).

The spelling of 12001222221033 in words is "twelve trillion, one billion, two hundred twenty-two million, two hundred twenty-one thousand, thirty-three".