12001112201121 has 8 divisors (see below), whose sum is σ = 16004008048224. Its totient is φ = 7999478910720.

The previous prime is 12001112201101. The next prime is 12001112201123. The reversal of 12001112201121 is 12110221110021.

It is a happy number.

12001112201121 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 not a de Polignac number, because 12001112201121 - 2³⁴ = 11983932331937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12001112201121.

It is not an unprimeable number, because it can be changed into a prime (12001112201123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 315616995 + ... + 315655016.

It is an arithmetic number, because the mean of its divisors is an integer number (2000501006028).

Almost surely, 2^{12001112201121} is an apocalyptic number.

It is an amenable number.

12001112201121 is a deficient number, since it is larger than the sum of its proper divisors (4002895847103).

12001112201121 is an equidigital number, since it uses as much as digits as its factorization.

12001112201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631278351.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12001112201121 its reverse (12110221110021), we get a palindrome (24111333311142).

The spelling of 12001112201121 in words is "twelve trillion, one billion, one hundred twelve million, two hundred one thousand, one hundred twenty-one".