12103031122003 has 4 divisors (see below), whose sum is σ = 12103074456480. Its totient is φ = 12102987787528.

The previous prime is 12103031122001. The next prime is 12103031122079. The reversal of 12103031122003 is 30022113030121.

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 12103031122003 - 2¹ = 12103031122001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103031122001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21245563 + ... + 21807796.

It is an arithmetic number, because the mean of its divisors is an integer number (3025768614120).

Almost surely, 2^{12103031122003} is an apocalyptic number.

12103031122003 is a deficient number, since it is larger than the sum of its proper divisors (43334477).

12103031122003 is an equidigital number, since it uses as much as digits as its factorization.

12103031122003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43334476.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12103031122003 its reverse (30022113030121), we get a palindrome (42125144152124).

The spelling of 12103031122003 in words is "twelve trillion, one hundred three billion, thirty-one million, one hundred twenty-two thousand, three".