12533112444 has 24 divisors (see below), whose sum is σ = 29517239808. Its totient is φ = 4138659760.

The previous prime is 12533112401. The next prime is 12533112451. The reversal of 12533112444 is 44421133521.

12533112444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 4879212 + ... + 4881779.

It is an arithmetic number, because the mean of its divisors is an integer number (1229884992).

Almost surely, 2^12533112444 is an apocalyptic number.

It is an amenable number.

12533112444 is an abundant number, since it is smaller than the sum of its proper divisors (16984127364).

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

12533112444 is a wasteful number, since it uses less digits than its factorization.

12533112444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9761105 (or 9761103 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

Adding to 12533112444 its reverse (44421133521), we get a palindrome (56954245965).

The spelling of 12533112444 in words is "twelve billion, five hundred thirty-three million, one hundred twelve thousand, four hundred forty-four".