32121223132135 has 16 divisors (see below), whose sum is σ = 42960892860000. Its totient is φ = 22912476189696.

The previous prime is 32121223132091. The next prime is 32121223132189. The reversal of 32121223132135 is 53123132212123.

It is a cyclic number.

It is not a de Polignac number, because 32121223132135 - 2¹³ = 32121223123943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 32121223132097 and 32121223132106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9944649510 + ... + 9944652739.

It is an arithmetic number, because the mean of its divisors is an integer number (2685055803750).

Almost surely, 2^{32121223132135} is an apocalyptic number.

32121223132135 is a deficient number, since it is larger than the sum of its proper divisors (10839669727865).

32121223132135 is a wasteful number, since it uses less digits than its factorization.

32121223132135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19889302290.

The product of its digits is 12960, while the sum is 31.

Adding to 32121223132135 its reverse (53123132212123), we get a palindrome (85244355344258).

The spelling of 32121223132135 in words is "thirty-two trillion, one hundred twenty-one billion, two hundred twenty-three million, one hundred thirty-two thousand, one hundred thirty-five".