32031220112 has 20 divisors (see below), whose sum is σ = 64758771840. Its totient is φ = 15319279008.

The previous prime is 32031220073. The next prime is 32031220121. The reversal of 32031220112 is 21102213023.

It is an unprimeable number.

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, 43520312 + ... + 43521047.

It is an arithmetic number, because the mean of its divisors is an integer number (3237938592).

Almost surely, 2^32031220112 is an apocalyptic number.

It is an amenable number.

32031220112 is an abundant number, since it is smaller than the sum of its proper divisors (32727551728).

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

32031220112 is a wasteful number, since it uses less digits than its factorization.

32031220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87041390 (or 87041384 counting only the distinct ones).

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

Adding to 32031220112 its reverse (21102213023), we get a palindrome (53133433135).

The spelling of 32031220112 in words is "thirty-two billion, thirty-one million, two hundred twenty thousand, one hundred twelve".