12161689300 has 36 divisors (see below), whose sum is σ = 27538299936. Its totient is φ = 4653167200.

The previous prime is 12161689249. The next prime is 12161689301. The reversal of 12161689300 is 398616121.

12161689300 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12161689300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12161689301) 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 11 ways as a sum of consecutive naturals, for example, 2641546 + ... + 2646145.

It is an arithmetic number, because the mean of its divisors is an integer number (764952776).

Almost surely, 2^12161689300 is an apocalyptic number.

12161689300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12161689300 is an abundant number, since it is smaller than the sum of its proper divisors (15376610636).

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

12161689300 is a wasteful number, since it uses less digits than its factorization.

12161689300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5287728 (or 5287721 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 12161689300 in words is "twelve billion, one hundred sixty-one million, six hundred eighty-nine thousand, three hundred".