32121120212 has 24 divisors (see below), whose sum is σ = 59049648000. Its totient is φ = 15259165856.

The previous prime is 32121120211. The next prime is 32121120217. The reversal of 32121120212 is 21202112123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32121120211) 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 7 ways as a sum of consecutive naturals, for example, 1157912 + ... + 1185327.

It is an arithmetic number, because the mean of its divisors is an integer number (2460402000).

Almost surely, 2^32121120212 is an apocalyptic number.

It is an amenable number.

32121120212 is a deficient number, since it is larger than the sum of its proper divisors (26928527788).

32121120212 is a wasteful number, since it uses less digits than its factorization.

32121120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2343415 (or 2343413 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 32121120212 its reverse (21202112123), we get a palindrome (53323232335).

The spelling of 32121120212 in words is "thirty-two billion, one hundred twenty-one million, one hundred twenty thousand, two hundred twelve".