32123212031221 has 4 divisors (see below), whose sum is σ = 32132624051052. Its totient is φ = 32113800011392.

The previous prime is 32123212031191. The next prime is 32123212031243. The reversal of 32123212031221 is 12213021232123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 30434475395025 + 1688736636196 = 5516745^2 + 1299514^2 .

It is a cyclic number.

It is not a de Polignac number, because 32123212031221 - 2¹⁵ = 32123211998453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32123212031021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4706004796 + ... + 4706011621.

It is an arithmetic number, because the mean of its divisors is an integer number (8033156012763).

Almost surely, 2^{32123212031221} is an apocalyptic number.

It is an amenable number.

32123212031221 is a deficient number, since it is larger than the sum of its proper divisors (9412019831).

32123212031221 is an equidigital number, since it uses as much as digits as its factorization.

32123212031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9412019830.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 32123212031221 its reverse (12213021232123), we get a palindrome (44336233263344).

The spelling of 32123212031221 in words is "thirty-two trillion, one hundred twenty-three billion, two hundred twelve million, thirty-one thousand, two hundred twenty-one".