12533817288 has 32 divisors (see below), whose sum is σ = 31349172960. Its totient is φ = 4175988480.

The previous prime is 12533817287. The next prime is 12533817293. The reversal of 12533817288 is 88271833521.

It is a super-3 number, since 3×12533817288³ (a number of 31 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12533817287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68970 + ... + 172697.

It is an arithmetic number, because the mean of its divisors is an integer number (979661655).

Almost surely, 2^12533817288 is an apocalyptic number.

It is an amenable number.

12533817288 is an abundant number, since it is smaller than the sum of its proper divisors (18815355672).

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

12533817288 is a wasteful number, since it uses less digits than its factorization.

12533817288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 243837 (or 243833 counting only the distinct ones).

The product of its digits is 645120, while the sum is 48.

The spelling of 12533817288 in words is "twelve billion, five hundred thirty-three million, eight hundred seventeen thousand, two hundred eighty-eight".