12331120002021 has 16 divisors (see below), whose sum is σ = 18389308225920. Its totient is φ = 8166304634400.

The previous prime is 12331120001939. The next prime is 12331120002031. The reversal of 12331120002021 is 12020002113321.

12331120002021 is a `hidden beast` number, since 12 + 331 + 120 + 0 + 0 + 202 + 1 = 666.

It is not a de Polignac number, because 12331120002021 - 2³⁰ = 12330046260197 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12331120001985 and 12331120002003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331120002031) 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, 1512274560 + ... + 1512282713.

It is an arithmetic number, because the mean of its divisors is an integer number (1149331764120).

Almost surely, 2^{12331120002021} is an apocalyptic number.

It is an amenable number.

12331120002021 is a deficient number, since it is larger than the sum of its proper divisors (6058188223899).

12331120002021 is a wasteful number, since it uses less digits than its factorization.

12331120002021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024557433 (or 3024557427 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 12331120002021 its reverse (12020002113321), we get a palindrome (24351122115342).

The spelling of 12331120002021 in words is "twelve trillion, three hundred thirty-one billion, one hundred twenty million, two thousand, twenty-one".