12001222221022 has 8 divisors (see below), whose sum is σ = 18001974925872. Its totient is φ = 6000563912400.

The previous prime is 12001222221013. The next prime is 12001222221071. The reversal of 12001222221022 is 22012222210021.

12001222221022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23280354 + ... + 23790277.

It is an arithmetic number, because the mean of its divisors is an integer number (2250246865734).

Almost surely, 2^{12001222221022} is an apocalyptic number.

12001222221022 is a deficient number, since it is larger than the sum of its proper divisors (6000752704850).

12001222221022 is a wasteful number, since it uses less digits than its factorization.

12001222221022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47198114.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 12001222221022 its reverse (22012222210021), we get a palindrome (34013444431043).

The spelling of 12001222221022 in words is "twelve trillion, one billion, two hundred twenty-two million, two hundred twenty-one thousand, twenty-two".