12287553532 has 12 divisors (see below), whose sum is σ = 21635141416. Its totient is φ = 6106084560.

The previous prime is 12287553529. The next prime is 12287553563. The reversal of 12287553532 is 23535578221.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9422319 + ... + 9423622.

Almost surely, 2^12287553532 is an apocalyptic number.

It is an amenable number.

12287553532 is a deficient number, since it is larger than the sum of its proper divisors (9347587884).

12287553532 is a wasteful number, since it uses less digits than its factorization.

12287553532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18846108 (or 18846106 counting only the distinct ones).

The product of its digits is 504000, while the sum is 43.

The spelling of 12287553532 in words is "twelve billion, two hundred eighty-seven million, five hundred fifty-three thousand, five hundred thirty-two".