13201201321 has 8 divisors (see below), whose sum is σ = 16458640704. Its totient is φ = 10286650320.

The previous prime is 13201201297. The next prime is 13201201367. The reversal of 13201201321 is 12310210231.

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

It is a cyclic number.

It is not a de Polignac number, because 13201201321 - 2⁵ = 13201201289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13201201295 and 13201201304.

It is not an unprimeable number, because it can be changed into a prime (13201201021) 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, 85722010 + ... + 85722163.

It is an arithmetic number, because the mean of its divisors is an integer number (2057330088).

Almost surely, 2^13201201321 is an apocalyptic number.

13201201321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13201201321 is a deficient number, since it is larger than the sum of its proper divisors (3257439383).

13201201321 is a wasteful number, since it uses less digits than its factorization.

13201201321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171444191.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13201201321 its reverse (12310210231), we get a palindrome (25511411552).

The spelling of 13201201321 in words is "thirteen billion, two hundred one million, two hundred one thousand, three hundred twenty-one".