32113212321 has 16 divisors (see below), whose sum is σ = 45374434560. Its totient is φ = 20166410880.

The previous prime is 32113212169. The next prime is 32113212323. The reversal of 32113212321 is 12321231123.

It is not a de Polignac number, because 32113212321 - 2²³ = 32104823713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32113212323) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 4497865 + ... + 4504998.

It is an arithmetic number, because the mean of its divisors is an integer number (2835902160).

Almost surely, 2^32113212321 is an apocalyptic number.

It is an amenable number.

32113212321 is a deficient number, since it is larger than the sum of its proper divisors (13261222239).

32113212321 is a wasteful number, since it uses less digits than its factorization.

32113212321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9002936.

The product of its digits is 432, while the sum is 21.

Adding to 32113212321 its reverse (12321231123), we get a palindrome (44434443444).

The spelling of 32113212321 in words is "thirty-two billion, one hundred thirteen million, two hundred twelve thousand, three hundred twenty-one".