12043331001 has 96 divisors (see below), whose sum is σ = 20045555712. Its totient is φ = 6911308800.

The previous prime is 12043330987. The next prime is 12043331023. The reversal of 12043331001 is 10013334021.

It is not a de Polignac number, because 12043331001 - 2⁵ = 12043330969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12043331801) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19840440 + ... + 19841046.

It is an arithmetic number, because the mean of its divisors is an integer number (208807872).

Almost surely, 2^12043331001 is an apocalyptic number.

It is an amenable number.

12043331001 is a deficient number, since it is larger than the sum of its proper divisors (8002224711).

12043331001 is a wasteful number, since it uses less digits than its factorization.

12043331001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823 (or 820 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 12043331001 its reverse (10013334021), we get a palindrome (22056665022).

The spelling of 12043331001 in words is "twelve billion, forty-three million, three hundred thirty-one thousand, one".