12123303400104 has 128 divisors (see below), whose sum is σ = 33013982332800. Its totient is φ = 3687487119360.

The previous prime is 12123303400093. The next prime is 12123303400127. The reversal of 12123303400104 is 40100430332121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 in 31 ways as a sum of consecutive naturals, for example, 126601987 + ... + 126697709.

It is an arithmetic number, because the mean of its divisors is an integer number (257921736975).

Almost surely, 2^{12123303400104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12123303400104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16506991166400).

12123303400104 is an abundant number, since it is smaller than the sum of its proper divisors (20890678932696).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12123303400104 is a wasteful number, since it uses less digits than its factorization.

12123303400104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100395 (or 100391 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 12123303400104 its reverse (40100430332121), we get a palindrome (52223733732225).

The spelling of 12123303400104 in words is "twelve trillion, one hundred twenty-three billion, three hundred three million, four hundred thousand, one hundred four".