1032320013221 has 8 divisors (see below), whose sum is σ = 1185385744704. Its totient is φ = 880652142720.

The previous prime is 1032320013199. The next prime is 1032320013233. The reversal of 1032320013221 is 1223100232301.

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

It is not a de Polignac number, because 1032320013221 - 2¹⁸ = 1032319751077 is a prime.

It is a super-2 number, since 2×1032320013221² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1032320013193 and 1032320013202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1032320013721) 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, 349463660 + ... + 349466613.

It is an arithmetic number, because the mean of its divisors is an integer number (148173218088).

Almost surely, 2^{1032320013221} is an apocalyptic number.

It is an amenable number.

1032320013221 is a deficient number, since it is larger than the sum of its proper divisors (153065731483).

1032320013221 is an equidigital number, since it uses as much as digits as its factorization.

1032320013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698930491.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 1032320013221 its reverse (1223100232301), we get a palindrome (2255420245522).

The spelling of 1032320013221 in words is "one trillion, thirty-two billion, three hundred twenty million, thirteen thousand, two hundred twenty-one".