12328531100 has 36 divisors (see below), whose sum is σ = 26787868800. Its totient is φ = 4924968960.

The previous prime is 12328531073. The next prime is 12328531129. The reversal of 12328531100 is 113582321.

It is a self number, because there is not a number n which added to its sum of digits gives 12328531100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3260 + ... + 157059.

Almost surely, 2^12328531100 is an apocalyptic number.

12328531100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12328531100 is an abundant number, since it is smaller than the sum of its proper divisors (14459337700).

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

12328531100 is a wasteful number, since it uses less digits than its factorization.

12328531100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161102 (or 161095 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 12328531100 in words is "twelve billion, three hundred twenty-eight million, five hundred thirty-one thousand, one hundred".