12103736839 has 4 divisors (see below), whose sum is σ = 12740775640. Its totient is φ = 11466698040.

The previous prime is 12103736837. The next prime is 12103736903. The reversal of 12103736839 is 93863730121.

It is a happy number.

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 12103736839 - 2¹ = 12103736837 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12103736795 and 12103736804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12103736831) 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, 318519372 + ... + 318519409.

It is an arithmetic number, because the mean of its divisors is an integer number (3185193910).

Almost surely, 2^12103736839 is an apocalyptic number.

12103736839 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

12103736839 is a deficient number, since it is larger than the sum of its proper divisors (637038801).

12103736839 is an equidigital number, since it uses as much as digits as its factorization.

12103736839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637038800.

The product of its (nonzero) digits is 163296, while the sum is 43.

The spelling of 12103736839 in words is "twelve billion, one hundred three million, seven hundred thirty-six thousand, eight hundred thirty-nine".