32001221232321 has 32 divisors (see below), whose sum is σ = 46607932707840. Its totient is φ = 19369402852800.

The previous prime is 32001221232283. The next prime is 32001221232347. The reversal of 32001221232321 is 12323212210023.

It is not a de Polignac number, because 32001221232321 - 2⁶ = 32001221232257 is a prime.

It is a super-3 number, since 3×32001221232321³ (a number of 41 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32001221232291 and 32001221232300.

It is not an unprimeable number, because it can be changed into a prime (32001221232361) 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 31 ways as a sum of consecutive naturals, for example, 81777036 + ... + 82167426.

It is an arithmetic number, because the mean of its divisors is an integer number (1456497897120).

Almost surely, 2^{32001221232321} is an apocalyptic number.

It is an amenable number.

32001221232321 is a deficient number, since it is larger than the sum of its proper divisors (14606711475519).

32001221232321 is a wasteful number, since it uses less digits than its factorization.

32001221232321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393637.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 32001221232321 its reverse (12323212210023), we get a palindrome (44324433442344).

The spelling of 32001221232321 in words is "thirty-two trillion, one billion, two hundred twenty-one million, two hundred thirty-two thousand, three hundred twenty-one".