12103404239 has 2 divisors, whose sum is σ = 12103404240. Its totient is φ = 12103404238.

The previous prime is 12103404197. The next prime is 12103404259. The reversal of 12103404239 is 93240430121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12103404239 - 2¹² = 12103400143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12103404259) 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 as a sum of consecutive naturals, namely, 6051702119 + 6051702120.

It is an arithmetic number, because the mean of its divisors is an integer number (6051702120).

Almost surely, 2^12103404239 is an apocalyptic number.

12103404239 is a deficient number, since it is larger than the sum of its proper divisors (1).

12103404239 is an equidigital number, since it uses as much as digits as its factorization.

12103404239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 29.

The spelling of 12103404239 in words is "twelve billion, one hundred three million, four hundred four thousand, two hundred thirty-nine".