111312142032 has 360 divisors, whose sum is σ = 366075694656. Its totient is φ = 29044334592.

The previous prime is 111312142031. The next prime is 111312142057. The reversal of 111312142032 is 230241213111.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312142031) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 38554893 + ... + 38557779.

Almost surely, 2^111312142032 is an apocalyptic number.

111312142032 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 111312142032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183037847328).

111312142032 is an abundant number, since it is smaller than the sum of its proper divisors (254763552624).

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

111312142032 is a wasteful number, since it uses less digits than its factorization.

111312142032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3035 (or 3009 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 111312142032 its reverse (230241213111), we get a palindrome (341553355143).

The spelling of 111312142032 in words is "one hundred eleven billion, three hundred twelve million, one hundred forty-two thousand, thirty-two".