12312870103 has 4 divisors (see below), whose sum is σ = 12313677928. Its totient is φ = 12312062280.

The previous prime is 12312870079. The next prime is 12312870161. The reversal of 12312870103 is 30107821321.

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 12312870103 - 2³³ = 3722935511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12312870173) 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, 380601 + ... + 411682.

It is an arithmetic number, because the mean of its divisors is an integer number (3078419482).

Almost surely, 2^12312870103 is an apocalyptic number.

12312870103 is a deficient number, since it is larger than the sum of its proper divisors (807825).

12312870103 is an equidigital number, since it uses as much as digits as its factorization.

12312870103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 807824.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 12312870103 in words is "twelve billion, three hundred twelve million, eight hundred seventy thousand, one hundred three".