12001221112022 has 8 divisors (see below), whose sum is σ = 18016551076176. Its totient is φ = 5995704086632.

The previous prime is 12001221111977. The next prime is 12001221112039. The reversal of 12001221112022 is 22021112210021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2453231633 + ... + 2453236524.

It is an arithmetic number, because the mean of its divisors is an integer number (2252068884522).

Almost surely, 2^{12001221112022} is an apocalyptic number.

12001221112022 is a deficient number, since it is larger than the sum of its proper divisors (6015329964154).

12001221112022 is a wasteful number, since it uses less digits than its factorization.

12001221112022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4906469382.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12001221112022 its reverse (22021112210021), we get a palindrome (34022333322043).

The spelling of 12001221112022 in words is "twelve trillion, one billion, two hundred twenty-one million, one hundred twelve thousand, twenty-two".