12011322130121 has 4 divisors (see below), whose sum is σ = 12214903861200. Its totient is φ = 11807740399044.

The previous prime is 12011322130111. The next prime is 12011322130123. The reversal of 12011322130121 is 12103122311021.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12011322130121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12011322130093 and 12011322130102.

It is not an unprimeable number, because it can be changed into a prime (12011322130123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101790865451 + ... + 101790865568.

It is an arithmetic number, because the mean of its divisors is an integer number (3053725965300).

Almost surely, 2^{12011322130121} is an apocalyptic number.

It is an amenable number.

12011322130121 is a deficient number, since it is larger than the sum of its proper divisors (203581731079).

12011322130121 is an equidigital number, since it uses as much as digits as its factorization.

12011322130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203581731078.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 12011322130121 its reverse (12103122311021), we get a palindrome (24114444441142).

The spelling of 12011322130121 in words is "twelve trillion, eleven billion, three hundred twenty-two million, one hundred thirty thousand, one hundred twenty-one".