2112400310003 has 4 divisors (see below), whose sum is σ = 2112965277720. Its totient is φ = 2111835342288.

The previous prime is 2112400309993. The next prime is 2112400310011. The reversal of 2112400310003 is 3000130042112.

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

It is a cyclic number.

It is not a de Polignac number, because 2112400310003 - 2¹⁰ = 2112400308979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2112400310063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282478250 + ... + 282485727.

It is an arithmetic number, because the mean of its divisors is an integer number (528241319430).

Almost surely, 2^{2112400310003} is an apocalyptic number.

2112400310003 is a deficient number, since it is larger than the sum of its proper divisors (564967717).

2112400310003 is an equidigital number, since it uses as much as digits as its factorization.

2112400310003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564967716.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2112400310003 its reverse (3000130042112), we get a palindrome (5112530352115).

The spelling of 2112400310003 in words is "two trillion, one hundred twelve billion, four hundred million, three hundred ten thousand, three".