32122013221 has 8 divisors (see below), whose sum is σ = 32604109560. Its totient is φ = 31643324352.

The previous prime is 32122013069. The next prime is 32122013239. The reversal of 32122013221 is 12231022123.

It can be written as a sum of positive squares in 4 ways, for example, as 17069422500 + 15052590721 = 130650^2 + 122689^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32122013221 - 2⁹ = 32122012709 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 (32122013291) 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, 832870 + ... + 870583.

It is an arithmetic number, because the mean of its divisors is an integer number (4075513695).

Almost surely, 2^32122013221 is an apocalyptic number.

It is an amenable number.

32122013221 is a deficient number, since it is larger than the sum of its proper divisors (482096339).

32122013221 is a wasteful number, since it uses less digits than its factorization.

32122013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1703735.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 32122013221 its reverse (12231022123), we get a palindrome (44353035344).

The spelling of 32122013221 in words is "thirty-two billion, one hundred twenty-two million, thirteen thousand, two hundred twenty-one".