12104132123 has 8 divisors (see below), whose sum is σ = 12152901600. Its totient is φ = 12055443840.

The previous prime is 12104132113. The next prime is 12104132149. The reversal of 12104132123 is 32123140121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12104132123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12104132095 and 12104132104.

It is not an unprimeable number, because it can be changed into a prime (12104132113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287786 + ... + 327152.

It is an arithmetic number, because the mean of its divisors is an integer number (1519112700).

Almost surely, 2^12104132123 is an apocalyptic number.

12104132123 is a deficient number, since it is larger than the sum of its proper divisors (48769477).

12104132123 is an equidigital number, since it uses as much as digits as its factorization.

12104132123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40597.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 12104132123 its reverse (32123140121), we get a palindrome (44227272244).

The spelling of 12104132123 in words is "twelve billion, one hundred four million, one hundred thirty-two thousand, one hundred twenty-three".