111132231000012 has 120 divisors (see below), whose sum is σ = 293514654905472. Its totient is φ = 36662728032000.

The previous prime is 111132230999981. The next prime is 111132231000013. The reversal of 111132231000012 is 210000132231111.

111132231000012 is a `hidden beast` number, since 11 + 11 + 322 + 310 + 0 + 0 + 0 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (111132231000013) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 81823653 + ... + 83170755.

Almost surely, 2^{111132231000012} is an apocalyptic number.

111132231000012 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 111132231000012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146757327452736).

111132231000012 is an abundant number, since it is smaller than the sum of its proper divisors (182382423905460).

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

111132231000012 is a wasteful number, since it uses less digits than its factorization.

111132231000012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349741 (or 1349730 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 111132231000012 its reverse (210000132231111), we get a palindrome (321132363231123).

The spelling of 111132231000012 in words is "one hundred eleven trillion, one hundred thirty-two billion, two hundred thirty-one million, twelve", and thus it is an aban number.