12003130021 has 8 divisors (see below), whose sum is σ = 12072499200. Its totient is φ = 11933951232.

The previous prime is 12003130019. The next prime is 12003130039.

12003130021 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12003130021 - 2¹ = 12003130019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12003129983 and 12003130010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003130121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79836 + ... + 174298.

It is an arithmetic number, because the mean of its divisors is an integer number (1509062400).

Almost surely, 2^12003130021 is an apocalyptic number.

It is an amenable number.

12003130021 is a deficient number, since it is larger than the sum of its proper divisors (69369179).

12003130021 is an equidigital number, since it uses as much as digits as its factorization.

12003130021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95195.

The product of its (nonzero) digits is 36, while the sum is 13.

The spelling of 12003130021 in words is "twelve billion, three million, one hundred thirty thousand, twenty-one".