32112021 has 4 divisors (see below), whose sum is σ = 42816032. Its totient is φ = 21408012.

The previous prime is 32112007. The next prime is 32112029. The reversal of 32112021 is 12021123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 32112021 - 2¹⁰ = 32110997 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32111988 and 32112006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32112029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5352001 + ... + 5352006.

It is an arithmetic number, because the mean of its divisors is an integer number (10704008).

Almost surely, 2^32112021 is an apocalyptic number.

It is an amenable number.

32112021 is a deficient number, since it is larger than the sum of its proper divisors (10704011).

32112021 is a wasteful number, since it uses less digits than its factorization.

32112021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10704010.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 32112021 is about 5666.7469504117. The cubic root of 32112021 is about 317.8502419721.

Adding to 32112021 its reverse (12021123), we get a palindrome (44133144).

The spelling of 32112021 in words is "thirty-two million, one hundred twelve thousand, twenty-one".