12534550532 has 24 divisors (see below), whose sum is σ = 25746646464. Its totient is φ = 5226761952.

The previous prime is 12534550513. The next prime is 12534550537. The reversal of 12534550532 is 23505543521.

It is a super-2 number, since 2×12534550532² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12534550492 and 12534550501.

It is not an unprimeable number, because it can be changed into a prime (12534550537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6048458 + ... + 6050529.

It is an arithmetic number, because the mean of its divisors is an integer number (1072776936).

Almost surely, 2^12534550532 is an apocalyptic number.

It is an amenable number.

12534550532 is an abundant number, since it is smaller than the sum of its proper divisors (13212095932).

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

12534550532 is a wasteful number, since it uses less digits than its factorization.

12534550532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12099035 (or 12099033 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 12534550532 in words is "twelve billion, five hundred thirty-four million, five hundred fifty thousand, five hundred thirty-two".