116810221812 has 96 divisors (see below), whose sum is σ = 281805350400. Its totient is φ = 37642876032.

The previous prime is 116810221811. The next prime is 116810221901. The reversal of 116810221812 is 218122018611.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (116810221811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10524538 + ... + 10535630.

It is an arithmetic number, because the mean of its divisors is an integer number (2935472400).

Almost surely, 2^116810221812 is an apocalyptic number.

116810221812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

116810221812 is an abundant number, since it is smaller than the sum of its proper divisors (164995128588).

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

116810221812 is a wasteful number, since it uses less digits than its factorization.

116810221812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11405 (or 11403 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 33.

The spelling of 116810221812 in words is "one hundred sixteen billion, eight hundred ten million, two hundred twenty-one thousand, eight hundred twelve".