12328253892 has 96 divisors (see below), whose sum is σ = 34279459200. Its totient is φ = 3819643776.

The previous prime is 12328253881. The next prime is 12328253929. The reversal of 12328253892 is 29835282321.

12328253892 is a `hidden beast` number, since 1 + 2 + 3 + 28 + 2 + 538 + 92 = 666.

It is a super-2 number, since 2×12328253892² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 52078 + ... + 165434.

It is an arithmetic number, because the mean of its divisors is an integer number (357077700).

Almost surely, 2^12328253892 is an apocalyptic number.

12328253892 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12328253892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17139729600).

12328253892 is an abundant number, since it is smaller than the sum of its proper divisors (21951205308).

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

12328253892 is a wasteful number, since it uses less digits than its factorization.

12328253892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113442 (or 113434 counting only the distinct ones).

The product of its digits is 414720, while the sum is 45.

The spelling of 12328253892 in words is "twelve billion, three hundred twenty-eight million, two hundred fifty-three thousand, eight hundred ninety-two".