32001323121 has 6 divisors (see below), whose sum is σ = 46224133410. Its totient is φ = 21334215408.

The previous prime is 32001323111. The next prime is 32001323147. The reversal of 32001323121 is 12132310023.

32001323121 is a `hidden beast` number, since 320 + 0 + 1 + 32 + 312 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 18315832896 + 13685490225 = 135336^2 + 116985^2 .

It is not a de Polignac number, because 32001323121 - 2⁹ = 32001322609 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32001323094 and 32001323103.

It is not an unprimeable number, because it can be changed into a prime (32001323111) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1777851276 + ... + 1777851293.

It is an arithmetic number, because the mean of its divisors is an integer number (7704022235).

Almost surely, 2^32001323121 is an apocalyptic number.

It is an amenable number.

32001323121 is a deficient number, since it is larger than the sum of its proper divisors (14222810289).

32001323121 is a wasteful number, since it uses less digits than its factorization.

32001323121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3555702575 (or 3555702572 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 32001323121 its reverse (12132310023), we get a palindrome (44133633144).

The spelling of 32001323121 in words is "thirty-two billion, one million, three hundred twenty-three thousand, one hundred twenty-one".