32021312112 has 60 divisors (see below), whose sum is σ = 92506025664. Its totient is φ = 10329454080.

The previous prime is 32021312083. The next prime is 32021312129. The reversal of 32021312112 is 21121312023.

32021312112 is a `hidden beast` number, since 320 + 2 + 131 + 211 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3582153 + ... + 3591080.

Almost surely, 2^32021312112 is an apocalyptic number.

It is an amenable number.

32021312112 is an abundant number, since it is smaller than the sum of its proper divisors (60484713552).

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

32021312112 is a wasteful number, since it uses less digits than its factorization.

32021312112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7173278 (or 7173269 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 32021312112 its reverse (21121312023), we get a palindrome (53142624135).

The spelling of 32021312112 in words is "thirty-two billion, twenty-one million, three hundred twelve thousand, one hundred twelve".