12003021013 has 8 divisors (see below), whose sum is σ = 12180234528. Its totient is φ = 11826583824.

The previous prime is 12003021007. The next prime is 12003021049. The reversal of 12003021013 is 31012030021.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12003021013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12003020984 and 12003021002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12003021083) 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 7 ways as a sum of consecutive naturals, for example, 162895 + ... + 224812.

It is an arithmetic number, because the mean of its divisors is an integer number (1522529316).

Almost surely, 2^12003021013 is an apocalyptic number.

It is an amenable number.

12003021013 is a deficient number, since it is larger than the sum of its proper divisors (177213515).

12003021013 is an equidigital number, since it uses as much as digits as its factorization.

12003021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388163.

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

Adding to 12003021013 its reverse (31012030021), we get a palindrome (43015051034).

The spelling of 12003021013 in words is "twelve billion, three million, twenty-one thousand, thirteen".