12001231130333 has 4 divisors (see below), whose sum is σ = 12001267615260. Its totient is φ = 12001194645408.

The previous prime is 12001231130323. The next prime is 12001231130437. The reversal of 12001231130333 is 33303113210021.

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 1673768362564 + 10327462767769 = 1293742^2 + 3213637^2 .

It is a cyclic number.

It is not a de Polignac number, because 12001231130333 - 2¹² = 12001231126237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12001231130299 and 12001231130308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001231130323) 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, 17744528 + ... + 18408441.

It is an arithmetic number, because the mean of its divisors is an integer number (3000316903815).

Almost surely, 2^{12001231130333} is an apocalyptic number.

It is an amenable number.

12001231130333 is a deficient number, since it is larger than the sum of its proper divisors (36484927).

12001231130333 is an equidigital number, since it uses as much as digits as its factorization.

12001231130333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36484926.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 12001231130333 its reverse (33303113210021), we get a palindrome (45304344340354).

The spelling of 12001231130333 in words is "twelve trillion, one billion, two hundred thirty-one million, one hundred thirty thousand, three hundred thirty-three".