111312200031132 has 12 divisors (see below), whose sum is σ = 259728466739336. Its totient is φ = 37104066677040.

The previous prime is 111312200031047. The next prime is 111312200031139. The reversal of 111312200031132 is 231130002213111.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 111312200031099 and 111312200031108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312200031139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4638008334619 + ... + 4638008334642.

Almost surely, 2^{111312200031132} is an apocalyptic number.

111312200031132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111312200031132 is an abundant number, since it is smaller than the sum of its proper divisors (148416266708204).

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

111312200031132 is a wasteful number, since it uses less digits than its factorization.

111312200031132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9276016669268 (or 9276016669266 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 111312200031132 its reverse (231130002213111), we get a palindrome (342442202244243).

The spelling of 111312200031132 in words is "one hundred eleven trillion, three hundred twelve billion, two hundred million, thirty-one thousand, one hundred thirty-two".