12001023031222 has 4 divisors (see below), whose sum is σ = 18001534546836. Its totient is φ = 6000511515610.

The previous prime is 12001023031163. The next prime is 12001023031289. The reversal of 12001023031222 is 22213032010021.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12001023031222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3000255757804 + ... + 3000255757807.

It is an arithmetic number, because the mean of its divisors is an integer number (4500383636709).

Almost surely, 2^{12001023031222} is an apocalyptic number.

12001023031222 is a deficient number, since it is larger than the sum of its proper divisors (6000511515614).

12001023031222 is an equidigital number, since it uses as much as digits as its factorization.

12001023031222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6000511515613.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 12001023031222 its reverse (22213032010021), we get a palindrome (34214055041243).

It can be divided in two parts, 1200102 and 3031222, that added together give a palindrome (4231324).

The spelling of 12001023031222 in words is "twelve trillion, one billion, twenty-three million, thirty-one thousand, two hundred twenty-two".