12001121002122 has 48 divisors (see below), whose sum is σ = 27922413555360. Its totient is φ = 3428715098592.

The previous prime is 12001121002061. The next prime is 12001121002141. The reversal of 12001121002122 is 22120012110021.

12001121002122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4720029 + ... + 6803007.

It is an arithmetic number, because the mean of its divisors is an integer number (581716949070).

Almost surely, 2^{12001121002122} is an apocalyptic number.

12001121002122 is an abundant number, since it is smaller than the sum of its proper divisors (15921292553238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12001121002122 is a wasteful number, since it uses less digits than its factorization.

12001121002122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102595 (or 2102588 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 12001121002122 its reverse (22120012110021), we get a palindrome (34121133112143).

The spelling of 12001121002122 in words is "twelve trillion, one billion, one hundred twenty-one million, two thousand, one hundred twenty-two".