13232301221 has 8 divisors (see below), whose sum is σ = 13690474200. Its totient is φ = 12774254080.

The previous prime is 13232301217. The next prime is 13232301241. The reversal of 13232301221 is 12210323231.

It can be written as a sum of positive squares in 4 ways, for example, as 2723796100 + 10508505121 = 52190^2 + 102511^2 .

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

It is not a de Polignac number, because 13232301221 - 2² = 13232301217 is a prime.

It is a super-3 number, since 3×13232301221³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13232301193 and 13232301202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13232301241) 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, 215441 + ... + 269961.

It is an arithmetic number, because the mean of its divisors is an integer number (1711309275).

Almost surely, 2^13232301221 is an apocalyptic number.

It is an amenable number.

13232301221 is a deficient number, since it is larger than the sum of its proper divisors (458172979).

13232301221 is an equidigital number, since it uses as much as digits as its factorization.

13232301221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62919.

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

Adding to 13232301221 its reverse (12210323231), we get a palindrome (25442624452).

The spelling of 13232301221 in words is "thirteen billion, two hundred thirty-two million, three hundred one thousand, two hundred twenty-one".