12533250344 has 32 divisors (see below), whose sum is σ = 24555294720. Its totient is φ = 5985921216.

The previous prime is 12533250343. The next prime is 12533250361. The reversal of 12533250344 is 44305233521.

It is a super-2 number, since 2×12533250344² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12533250344.

It is not an unprimeable number, because it can be changed into a prime (12533250343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88409 + ... + 181335.

It is an arithmetic number, because the mean of its divisors is an integer number (767352960).

Almost surely, 2^12533250344 is an apocalyptic number.

It is an amenable number.

12533250344 is a deficient number, since it is larger than the sum of its proper divisors (12022044376).

12533250344 is a wasteful number, since it uses less digits than its factorization.

12533250344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93689 (or 93685 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

Adding to 12533250344 its reverse (44305233521), we get a palindrome (56838483865).

The spelling of 12533250344 in words is "twelve billion, five hundred thirty-three million, two hundred fifty thousand, three hundred forty-four".