12120212101121 has 8 divisors (see below), whose sum is σ = 13312818784320. Its totient is φ = 10983075496272.

The previous prime is 12120212101099. The next prime is 12120212101139. The reversal of 12120212101121 is 12110121202121.

12120212101121 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 a cyclic number.

It is not a de Polignac number, because 12120212101121 - 2¹⁰ = 12120212100097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12120212101121.

It is not an unprimeable number, because it can be changed into a prime (12120212101181) 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, 13867519130 + ... + 13867520003.

It is an arithmetic number, because the mean of its divisors is an integer number (1664102348040).

Almost surely, 2^{12120212101121} is an apocalyptic number.

It is an amenable number.

12120212101121 is a deficient number, since it is larger than the sum of its proper divisors (1192606683199).

12120212101121 is a wasteful number, since it uses less digits than its factorization.

12120212101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27735039175.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12120212101121 its reverse (12110121202121), we get a palindrome (24230333303242).

The spelling of 12120212101121 in words is "twelve trillion, one hundred twenty billion, two hundred twelve million, one hundred one thousand, one hundred twenty-one".