12104234433 has 20 divisors (see below), whose sum is σ = 18088185940. Its totient is φ = 8066565792.

The previous prime is 12104234431. The next prime is 12104234479. The reversal of 12104234433 is 33443240121.

12104234433 is a `hidden beast` number, since 1 + 210 + 4 + 2 + 3 + 443 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8323460289 + 3780774144 = 91233^2 + 61488^2 .

It is not a de Polignac number, because 12104234433 - 2¹ = 12104234431 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12104234397 and 12104234406.

It is not an unprimeable number, because it can be changed into a prime (12104234431) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 210663 + ... + 261891.

It is an arithmetic number, because the mean of its divisors is an integer number (904409297).

Almost surely, 2^12104234433 is an apocalyptic number.

It is an amenable number.

12104234433 is a deficient number, since it is larger than the sum of its proper divisors (5983951507).

12104234433 is an equidigital number, since it uses as much as digits as its factorization.

12104234433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54158 (or 54149 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 12104234433 its reverse (33443240121), we get a palindrome (45547474554).

The spelling of 12104234433 in words is "twelve billion, one hundred four million, two hundred thirty-four thousand, four hundred thirty-three".