32121320012 has 12 divisors (see below), whose sum is σ = 56843909640. Its totient is φ = 15880202976.

The previous prime is 32121319999. The next prime is 32121320039. The reversal of 32121320012 is 21002312123.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45113858 + ... + 45114569.

It is an arithmetic number, because the mean of its divisors is an integer number (4736992470).

Almost surely, 2^32121320012 is an apocalyptic number.

It is an amenable number.

32121320012 is a deficient number, since it is larger than the sum of its proper divisors (24722589628).

32121320012 is a wasteful number, since it uses less digits than its factorization.

32121320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90228520 (or 90228518 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 32121320012 its reverse (21002312123), we get a palindrome (53123632135).

The spelling of 32121320012 in words is "thirty-two billion, one hundred twenty-one million, three hundred twenty thousand, twelve".