12103124311 has 4 divisors (see below), whose sum is σ = 12107287800. Its totient is φ = 12098960824.

The previous prime is 12103124303. The next prime is 12103124321. The reversal of 12103124311 is 11342130121.

12103124311 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 an emirpimes, since its reverse is a distinct semiprime: 11342130121 = 7 ⋅1620304303.

It is a cyclic number.

It is not a de Polignac number, because 12103124311 - 2³ = 12103124303 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 (12103124321) 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, 2077381 + ... + 2083198.

It is an arithmetic number, because the mean of its divisors is an integer number (3026821950).

Almost surely, 2^12103124311 is an apocalyptic number.

12103124311 is a deficient number, since it is larger than the sum of its proper divisors (4163489).

12103124311 is an equidigital number, since it uses as much as digits as its factorization.

12103124311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4163488.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 12103124311 its reverse (11342130121), we get a palindrome (23445254432).

The spelling of 12103124311 in words is "twelve billion, one hundred three million, one hundred twenty-four thousand, three hundred eleven".