12021201112022 has 32 divisors (see below), whose sum is σ = 19292688221184. Its totient is φ = 5604526840000.

The previous prime is 12021201112021. The next prime is 12021201112027. The reversal of 12021201112022 is 22021110212021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021201112021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10533479 + ... + 11618802.

It is an arithmetic number, because the mean of its divisors is an integer number (602896506912).

Almost surely, 2^{12021201112022} is an apocalyptic number.

12021201112022 is a deficient number, since it is larger than the sum of its proper divisors (7271487109162).

12021201112022 is a wasteful number, since it uses less digits than its factorization.

12021201112022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22152604.

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

Adding to 12021201112022 its reverse (22021110212021), we get a palindrome (34042311324043).

Subtracting 12021201112022 from its reverse (22021110212021), we obtain a palindrome (9999909099999).

The spelling of 12021201112022 in words is "twelve trillion, twenty-one billion, two hundred one million, one hundred twelve thousand, twenty-two".