32012109 has 12 divisors (see below), whose sum is σ = 46650396. Its totient is φ = 21151872.

The previous prime is 32012107. The next prime is 32012147. The reversal of 32012109 is 90121023.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 8538084 + 23474025 = 2922^2 + 4845^2 .

It is not a de Polignac number, because 32012109 - 2¹ = 32012107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32012091 and 32012100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32012107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14722 + ... + 16755.

It is an arithmetic number, because the mean of its divisors is an integer number (3887533).

Almost surely, 2^32012109 is an apocalyptic number.

It is an amenable number.

32012109 is a deficient number, since it is larger than the sum of its proper divisors (14638287).

32012109 is a wasteful number, since it uses less digits than its factorization.

32012109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31596 (or 31593 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 32012109 is about 5657.9244427617. The cubic root of 32012109 is about 317.5202508422.

Subtracting from 32012109 its product of nonzero digits (108), we obtain a triangular number (32012001 = T₈₀₀₁).

The spelling of 32012109 in words is "thirty-two million, twelve thousand, one hundred nine".