32216012 has 12 divisors (see below), whose sum is σ = 57219960. Its totient is φ = 15867456.

The previous prime is 32215999. The next prime is 32216021. The reversal of 32216012 is 21061223.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59837 + ... + 60372.

It is an arithmetic number, because the mean of its divisors is an integer number (4768330).

Almost surely, 2^32216012 is an apocalyptic number.

It is an amenable number.

32216012 is a deficient number, since it is larger than the sum of its proper divisors (25003948).

32216012 is a wasteful number, since it uses less digits than its factorization.

32216012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120280 (or 120278 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 32216012 is about 5675.9150804077. The cubic root of 32216012 is about 318.1929791311.

Adding to 32216012 its reverse (21061223), we get a palindrome (53277235).

The spelling of 32216012 in words is "thirty-two million, two hundred sixteen thousand, twelve".