12311033332121 has 16 divisors (see below), whose sum is σ = 12672143772288. Its totient is φ = 11953377878400.

The previous prime is 12311033332109. The next prime is 12311033332187. The reversal of 12311033332121 is 12123333011321.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12311033332121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12311033532121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18674300 + ... + 19322306.

It is an arithmetic number, because the mean of its divisors is an integer number (792008985768).

Almost surely, 2^{12311033332121} is an apocalyptic number.

It is an amenable number.

12311033332121 is a deficient number, since it is larger than the sum of its proper divisors (361110440167).

12311033332121 is a wasteful number, since it uses less digits than its factorization.

12311033332121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650672.

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

Adding to 12311033332121 its reverse (12123333011321), we get a palindrome (24434366343442).

The spelling of 12311033332121 in words is "twelve trillion, three hundred eleven billion, thirty-three million, three hundred thirty-two thousand, one hundred twenty-one".