12001310231303 has 4 divisors (see below), whose sum is σ = 12001336889160. Its totient is φ = 12001283573448.

The previous prime is 12001310231279. The next prime is 12001310231327. The reversal of 12001310231303 is 30313201310021.

12001310231303 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12001310231279) and next prime (12001310231327).

It is a cyclic number.

It is not a de Polignac number, because 12001310231303 - 2¹⁰ = 12001310230279 is a prime.

It is a super-2 number, since 2×12001310231303² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12001310231333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12641825 + ... + 13557962.

It is an arithmetic number, because the mean of its divisors is an integer number (3000334222290).

Almost surely, 2^{12001310231303} is an apocalyptic number.

12001310231303 is a deficient number, since it is larger than the sum of its proper divisors (26657857).

12001310231303 is an equidigital number, since it uses as much as digits as its factorization.

12001310231303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26657856.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 12001310231303 its reverse (30313201310021), we get a palindrome (42314511541324).

The spelling of 12001310231303 in words is "twelve trillion, one billion, three hundred ten million, two hundred thirty-one thousand, three hundred three".