12020202110121 has 8 divisors (see below), whose sum is σ = 16107473515200. Its totient is φ = 7973199389232.

The previous prime is 12020202110101. The next prime is 12020202110123. The reversal of 12020202110121 is 12101120202021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12020202110121 - 2²⁶ = 12020135001257 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12020202110121.

It is not an unprimeable number, because it can be changed into a prime (12020202110123) 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, 10067170350 + ... + 10067171543.

It is an arithmetic number, because the mean of its divisors is an integer number (2013434189400).

Almost surely, 2^{12020202110121} is an apocalyptic number.

It is an amenable number.

12020202110121 is a deficient number, since it is larger than the sum of its proper divisors (4087271405079).

12020202110121 is a wasteful number, since it uses less digits than its factorization.

12020202110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20134342095.

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

Adding to 12020202110121 its reverse (12101120202021), we get a palindrome (24121322312142).

The spelling of 12020202110121 in words is "twelve trillion, twenty billion, two hundred two million, one hundred ten thousand, one hundred twenty-one".