12103031322123 has 48 divisors (see below), whose sum is σ = 19103324808960. Its totient is φ = 6794248507200.

The previous prime is 12103031322061. The next prime is 12103031322149. The reversal of 12103031322123 is 32122313030121.

12103031322123 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12103031322123 - 2²¹ = 12103029224971 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12103031322093 and 12103031322102.

It is not an unprimeable number, because it can be changed into a prime (12103031322623) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6440098 + ... + 8104376.

It is an arithmetic number, because the mean of its divisors is an integer number (397985933520).

Almost surely, 2^{12103031322123} is an apocalyptic number.

12103031322123 is a deficient number, since it is larger than the sum of its proper divisors (7000293486837).

12103031322123 is a wasteful number, since it uses less digits than its factorization.

12103031322123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665168 (or 1665161 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 12103031322123 its reverse (32122313030121), we get a palindrome (44225344352244).

The spelling of 12103031322123 in words is "twelve trillion, one hundred three billion, thirty-one million, three hundred twenty-two thousand, one hundred twenty-three".