12133303132121 has 4 divisors (see below), whose sum is σ = 12137953691700. Its totient is φ = 12128652572544.

The previous prime is 12133303132117. The next prime is 12133303132183. The reversal of 12133303132121 is 12123130333121.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9008401960000 + 3124901172121 = 3001400^2 + 1767739^2 .

It is a cyclic number.

It is not a de Polignac number, because 12133303132121 - 2² = 12133303132117 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12133303132021) 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, 2325275876 + ... + 2325281093.

It is an arithmetic number, because the mean of its divisors is an integer number (3034488422925).

Almost surely, 2^{12133303132121} is an apocalyptic number.

It is an amenable number.

12133303132121 is a deficient number, since it is larger than the sum of its proper divisors (4650559579).

12133303132121 is an equidigital number, since it uses as much as digits as its factorization.

12133303132121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4650559578.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 12133303132121 its reverse (12123130333121), we get a palindrome (24256433465242).

The spelling of 12133303132121 in words is "twelve trillion, one hundred thirty-three billion, three hundred three million, one hundred thirty-two thousand, one hundred twenty-one".