12335538672 has 30 divisors (see below), whose sum is σ = 34522375992. Its totient is φ = 4111846176.

The previous prime is 12335538671. The next prime is 12335538679. The reversal of 12335538672 is 27683553321.

12335538672 is a `hidden beast` number, since 1 + 2 + 33 + 553 + 8 + 67 + 2 = 666.

12335538672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12335538671) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 42831588 + ... + 42831875.

Almost surely, 2^12335538672 is an apocalyptic number.

12335538672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12335538672 is an abundant number, since it is smaller than the sum of its proper divisors (22186837320).

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

12335538672 is a wasteful number, since it uses less digits than its factorization.

12335538672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85663477 (or 85663468 counting only the distinct ones).

The product of its digits is 907200, while the sum is 45.

The spelling of 12335538672 in words is "twelve billion, three hundred thirty-five million, five hundred thirty-eight thousand, six hundred seventy-two".