12331003033021 has 4 divisors (see below), whose sum is σ = 12342735672544. Its totient is φ = 12319270393500.

The previous prime is 12331003033009. The next prime is 12331003033043. The reversal of 12331003033021 is 12033030013321.

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 not a de Polignac number, because 12331003033021 - 2¹³ = 12331003024829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12331003032983 and 12331003033001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12331003093021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5866318185 + ... + 5866320286.

It is an arithmetic number, because the mean of its divisors is an integer number (3085683918136).

Almost surely, 2^{12331003033021} is an apocalyptic number.

It is an amenable number.

12331003033021 is a deficient number, since it is larger than the sum of its proper divisors (11732639523).

12331003033021 is a wasteful number, since it uses less digits than its factorization.

12331003033021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11732639522.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 12331003033021 its reverse (12033030013321), we get a palindrome (24364033046342).

The spelling of 12331003033021 in words is "twelve trillion, three hundred thirty-one billion, three million, thirty-three thousand, twenty-one".