12103030129 has 4 divisors (see below), whose sum is σ = 12108371184. Its totient is φ = 12097689076.

The previous prime is 12103030073. The next prime is 12103030171. The reversal of 12103030129 is 92103030121.

12103030129 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12103030129 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103030529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2667127 + ... + 2671660.

It is an arithmetic number, because the mean of its divisors is an integer number (3027092796).

Almost surely, 2^12103030129 is an apocalyptic number.

It is an amenable number.

12103030129 is a deficient number, since it is larger than the sum of its proper divisors (5341055).

12103030129 is an equidigital number, since it uses as much as digits as its factorization.

12103030129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5341054.

The product of its (nonzero) digits is 324, while the sum is 22.

The spelling of 12103030129 in words is "twelve billion, one hundred three million, thirty thousand, one hundred twenty-nine".