32012100000221 has 48 divisors (see below), whose sum is σ = 37405169418240. Its totient is φ = 27152419344960.

The previous prime is 32012100000217. The next prime is 32012100000229. The reversal of 32012100000221 is 12200000121023.

It is a happy number.

It is not a de Polignac number, because 32012100000221 - 2² = 32012100000217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 32012100000196 and 32012100000205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32012100000229) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 33882980 + ... + 34814946.

It is an arithmetic number, because the mean of its divisors is an integer number (779274362880).

Almost surely, 2^{32012100000221} is an apocalyptic number.

It is an amenable number.

32012100000221 is a deficient number, since it is larger than the sum of its proper divisors (5393069418019).

32012100000221 is a wasteful number, since it uses less digits than its factorization.

32012100000221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932162 (or 932133 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 32012100000221 its reverse (12200000121023), we get a palindrome (44212100121244).

The spelling of 32012100000221 in words is "thirty-two trillion, twelve billion, one hundred million, two hundred twenty-one", and thus it is an aban number.