12021120001022 has 24 divisors (see below), whose sum is σ = 19889981044248. Its totient is φ = 5444837489520.

The previous prime is 12021120001021. The next prime is 12021120001039. The reversal of 12021120001022 is 22010002112021.

It is a junction number, because it is equal to n+sod(n) for n = 12021120000988 and 12021120001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021120001021) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87694853 + ... + 87831824.

It is an arithmetic number, because the mean of its divisors is an integer number (828749210177).

Almost surely, 2^{12021120001022} is an apocalyptic number.

12021120001022 is a deficient number, since it is larger than the sum of its proper divisors (7868861043226).

12021120001022 is a wasteful number, since it uses less digits than its factorization.

12021120001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175526984 (or 175526973 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12021120001022 its reverse (22010002112021), we get a palindrome (34031122113043).

The spelling of 12021120001022 in words is "twelve trillion, twenty-one billion, one hundred twenty million, one thousand, twenty-two".