112131432432 has 140 divisors (see below), whose sum is σ = 326156673744. Its totient is φ = 37328532480.

The previous prime is 112131432431. The next prime is 112131432461. The reversal of 112131432432 is 234234131211.

112131432432 is a `hidden beast` number, since 1 + 1 + 21 + 314 + 324 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 112131432396 and 112131432405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112131432431) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 9593632 + ... + 9605312.

Almost surely, 2^112131432432 is an apocalyptic number.

112131432432 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 112131432432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163078336872).

112131432432 is an abundant number, since it is smaller than the sum of its proper divisors (214025241312).

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

112131432432 is an equidigital number, since it uses as much as digits as its factorization.

112131432432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12530 (or 12509 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

Adding to 112131432432 its reverse (234234131211), we get a palindrome (346365563643).

The spelling of 112131432432 in words is "one hundred twelve billion, one hundred thirty-one million, four hundred thirty-two thousand, four hundred thirty-two".