12103314444143 has 4 divisors (see below), whose sum is σ = 13034338632168. Its totient is φ = 11172290256120.

The previous prime is 12103314444139. The next prime is 12103314444191. The reversal of 12103314444143 is 34144441330121.

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 12103314444143 - 2² = 12103314444139 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 (12103314444443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 465512093993 + ... + 465512094018.

It is an arithmetic number, because the mean of its divisors is an integer number (3258584658042).

Almost surely, 2^{12103314444143} is an apocalyptic number.

12103314444143 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12103314444143 is a deficient number, since it is larger than the sum of its proper divisors (931024188025).

12103314444143 is an equidigital number, since it uses as much as digits as its factorization.

12103314444143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931024188024.

The product of its (nonzero) digits is 55296, while the sum is 35.

Adding to 12103314444143 its reverse (34144441330121), we get a palindrome (46247755774264).

The spelling of 12103314444143 in words is "twelve trillion, one hundred three billion, three hundred fourteen million, four hundred forty-four thousand, one hundred forty-three".