12001223023222 has 16 divisors (see below), whose sum is σ = 18488735602272. Its totient is φ = 5838317559360.

The previous prime is 12001223023219. The next prime is 12001223023271. The reversal of 12001223023222 is 22232032210021.

It is a super-2 number, since 2×12001223023222² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12001223023193 and 12001223023202.

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, 2234463 + ... + 5384725.

It is an arithmetic number, because the mean of its divisors is an integer number (1155545975142).

Almost surely, 2^{12001223023222} is an apocalyptic number.

12001223023222 is a deficient number, since it is larger than the sum of its proper divisors (6487512579050).

12001223023222 is a wasteful number, since it uses less digits than its factorization.

12001223023222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201783.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 12001223023222 its reverse (22232032210021), we get a palindrome (34233255233243).

The spelling of 12001223023222 in words is "twelve trillion, one billion, two hundred twenty-three million, twenty-three thousand, two hundred twenty-two".