12104120433420 has 144 divisors (see below), whose sum is σ = 38653026179040. Its totient is φ = 3057504703488.

The previous prime is 12104120433397. The next prime is 12104120433463. The reversal of 12104120433420 is 2433402140121.

12104120433420 is a `hidden beast` number, since 1 + 2 + 1 + 0 + 4 + 1 + 204 + 33 + 420 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27955704 + ... + 28385376.

It is an arithmetic number, because the mean of its divisors is an integer number (268423792910).

Almost surely, 2^{12104120433420} is an apocalyptic number.

12104120433420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12104120433420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19326513089520).

12104120433420 is an abundant number, since it is smaller than the sum of its proper divisors (26548905745620).

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

12104120433420 is a wasteful number, since it uses less digits than its factorization.

12104120433420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 437944 (or 437939 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 12104120433420 its reverse (2433402140121), we get a palindrome (14537522573541).

The spelling of 12104120433420 in words is "twelve trillion, one hundred four billion, one hundred twenty million, four hundred thirty-three thousand, four hundred twenty".