32023221312 has 28 divisors (see below), whose sum is σ = 84728106896. Its totient is φ = 10674407040.

The previous prime is 32023221299. The next prime is 32023221337. The reversal of 32023221312 is 21312232023.

It is a happy number.

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, 83393614 + ... + 83393997.

Almost surely, 2^32023221312 is an apocalyptic number.

32023221312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32023221312 is an abundant number, since it is smaller than the sum of its proper divisors (52704885584).

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

32023221312 is a wasteful number, since it uses less digits than its factorization.

32023221312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166787626 (or 166787616 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 32023221312 its reverse (21312232023), we get a palindrome (53335453335).

The spelling of 32023221312 in words is "thirty-two billion, twenty-three million, two hundred twenty-one thousand, three hundred twelve".