32312123221 has 16 divisors (see below), whose sum is σ = 37190119680. Its totient is φ = 27499795200.

The previous prime is 32312123203. The next prime is 32312123237. The reversal of 32312123221 is 12232121323.

It is a cyclic number.

It is not a de Polignac number, because 32312123221 - 2¹⁵ = 32312090453 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32312123192 and 32312123201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32312123621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2751855 + ... + 2763571.

It is an arithmetic number, because the mean of its divisors is an integer number (2324382480).

Almost surely, 2^32312123221 is an apocalyptic number.

It is an amenable number.

32312123221 is a deficient number, since it is larger than the sum of its proper divisors (4877996459).

32312123221 is a wasteful number, since it uses less digits than its factorization.

32312123221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14484.

The product of its digits is 864, while the sum is 22.

Adding to 32312123221 its reverse (12232121323), we get a palindrome (44544244544).

The spelling of 32312123221 in words is "thirty-two billion, three hundred twelve million, one hundred twenty-three thousand, two hundred twenty-one".