13232203221 has 8 divisors (see below), whose sum is σ = 17643780640. Its totient is φ = 8821047312.

The previous prime is 13232203219. The next prime is 13232203223. The reversal of 13232203221 is 12230223231.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13232203219) and next prime (13232203223).

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

It is not a de Polignac number, because 13232203221 - 2¹ = 13232203219 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 (13232203223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22906 + ... + 164283.

It is an arithmetic number, because the mean of its divisors is an integer number (2205472580).

Almost surely, 2^13232203221 is an apocalyptic number.

It is an amenable number.

13232203221 is a deficient number, since it is larger than the sum of its proper divisors (4411577419).

13232203221 is a wasteful number, since it uses less digits than its factorization.

13232203221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210755.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 13232203221 its reverse (12230223231), we get a palindrome (25462426452).

The spelling of 13232203221 in words is "thirteen billion, two hundred thirty-two million, two hundred three thousand, two hundred twenty-one".