12001222320208 has 40 divisors (see below), whose sum is σ = 25378002507456. Its totient is φ = 5452567161600.

The previous prime is 12001222320149. The next prime is 12001222320211. The reversal of 12001222320208 is 80202322210021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15456828 + ... + 16214683.

Almost surely, 2^{12001222320208} is an apocalyptic number.

It is an amenable number.

12001222320208 is an abundant number, since it is smaller than the sum of its proper divisors (13376780187248).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12001222320208 is a wasteful number, since it uses less digits than its factorization.

12001222320208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31673683 (or 31673677 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 12001222320208 its reverse (80202322210021), we get a palindrome (92203544530229).

The spelling of 12001222320208 in words is "twelve trillion, one billion, two hundred twenty-two million, three hundred twenty thousand, two hundred eight".