12132536428 has 12 divisors (see below), whose sum is σ = 21349243552. Its totient is φ = 6032752560.

The previous prime is 12132536399. The next prime is 12132536459. The reversal of 12132536428 is 82463523121.

12132536428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3 ways as a sum of consecutive naturals, for example, 8378100 + ... + 8379547.

Almost surely, 2^12132536428 is an apocalyptic number.

It is an amenable number.

12132536428 is a deficient number, since it is larger than the sum of its proper divisors (9216707124).

12132536428 is a wasteful number, since it uses less digits than its factorization.

12132536428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16757832 (or 16757830 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The spelling of 12132536428 in words is "twelve billion, one hundred thirty-two million, five hundred thirty-six thousand, four hundred twenty-eight".