32121322121 has 16 divisors (see below), whose sum is σ = 37794489600. Its totient is φ = 26726008320.

The previous prime is 32121322099. The next prime is 32121322127. The reversal of 32121322121 is 12122312123.

It is a cyclic number.

It is not a de Polignac number, because 32121322121 - 2¹⁰ = 32121321097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32121322093 and 32121322102.

It is not an unprimeable number, because it can be changed into a prime (32121322127) 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, 224096 + ... + 338321.

It is an arithmetic number, because the mean of its divisors is an integer number (2362155600).

Almost surely, 2^32121322121 is an apocalyptic number.

It is an amenable number.

32121322121 is a deficient number, since it is larger than the sum of its proper divisors (5673167479).

32121322121 is a wasteful number, since it uses less digits than its factorization.

32121322121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562664.

The product of its digits is 288, while the sum is 20.

Adding to 32121322121 its reverse (12122312123), we get a palindrome (44243634244).

The spelling of 32121322121 in words is "thirty-two billion, one hundred twenty-one million, three hundred twenty-two thousand, one hundred twenty-one".