12533442404 has 24 divisors (see below), whose sum is σ = 25078767168. Its totient is φ = 5368929120.

The previous prime is 12533442403. The next prime is 12533442407. The reversal of 12533442404 is 40424433521.

12533442404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12533442403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45359 + ... + 164694.

It is an arithmetic number, because the mean of its divisors is an integer number (1044948632).

Almost surely, 2^12533442404 is an apocalyptic number.

12533442404 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12533442404 is an abundant number, since it is smaller than the sum of its proper divisors (12545324764).

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

12533442404 is a wasteful number, since it uses less digits than its factorization.

12533442404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212195 (or 212193 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 32.

Adding to 12533442404 its reverse (40424433521), we get a palindrome (52957875925).

The spelling of 12533442404 in words is "twelve billion, five hundred thirty-three million, four hundred forty-two thousand, four hundred four".