12131232200221 has 8 divisors (see below), whose sum is σ = 12136763331360. Its totient is φ = 12125702263152.

The previous prime is 12131232200179. The next prime is 12131232200333. The reversal of 12131232200221 is 12200223213121.

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 12131232200221 - 2¹⁷ = 12131232069149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12131232200192 and 12131232200201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12131232200621) 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, 20349490 + ... + 20937148.

It is an arithmetic number, because the mean of its divisors is an integer number (1517095416420).

Almost surely, 2^{12131232200221} is an apocalyptic number.

It is an amenable number.

12131232200221 is a deficient number, since it is larger than the sum of its proper divisors (5531131139).

12131232200221 is an equidigital number, since it uses as much as digits as its factorization.

12131232200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 597035.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 12131232200221 its reverse (12200223213121), we get a palindrome (24331455413342).

The spelling of 12131232200221 in words is "twelve trillion, one hundred thirty-one billion, two hundred thirty-two million, two hundred thousand, two hundred twenty-one".