32130112 has 28 divisors (see below), whose sum is σ = 72867520. Its totient is φ = 13769856.

The previous prime is 32130107. The next prime is 32130113. The reversal of 32130112 is 21103123.

It is a tau number, because it is divible by the number of its divisors (28).

It is a junction number, because it is equal to n+sod(n) for n = 32130092 and 32130101.

It is not an unprimeable number, because it can be changed into a prime (32130113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35412 + ... + 36307.

Almost surely, 2^32130112 is an apocalyptic number.

32130112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32130112 is an abundant number, since it is smaller than the sum of its proper divisors (40737408).

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

32130112 is an equidigital number, since it uses as much as digits as its factorization.

32130112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71738 (or 71728 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 32130112 is about 5668.3429677464. The cubic root of 32130112 is about 317.9099200308.

Adding to 32130112 its reverse (21103123), we get a palindrome (53233235).

The spelling of 32130112 in words is "thirty-two million, one hundred thirty thousand, one hundred twelve".