12302003312103 has 4 divisors (see below), whose sum is σ = 16402671082808. Its totient is φ = 8201335541400.

The previous prime is 12302003312057. The next prime is 12302003312107. The reversal of 12302003312103 is 30121330020321.

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

It is not a de Polignac number, because 12302003312103 - 2⁸ = 12302003311847 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12302003312103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12302003312107) 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, 2050333885348 + ... + 2050333885353.

It is an arithmetic number, because the mean of its divisors is an integer number (4100667770702).

Almost surely, 2^{12302003312103} is an apocalyptic number.

12302003312103 is a deficient number, since it is larger than the sum of its proper divisors (4100667770705).

12302003312103 is an equidigital number, since it uses as much as digits as its factorization.

12302003312103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4100667770704.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 12302003312103 its reverse (30121330020321), we get a palindrome (42423333332424).

The spelling of 12302003312103 in words is "twelve trillion, three hundred two billion, three million, three hundred twelve thousand, one hundred three".