12131332312201 has 8 divisors (see below), whose sum is σ = 12579463283400. Its totient is φ = 11685188618880.

The previous prime is 12131332312163. The next prime is 12131332312357. The reversal of 12131332312201 is 10221323313121.

It can be written as a sum of positive squares in 4 ways, for example, as 81825174601 + 12049507137600 = 286051^2 + 3471240^2 .

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 12131332312201 - 2¹³ = 12131332304009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12131332352201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 496807036 + ... + 496831453.

It is an arithmetic number, because the mean of its divisors is an integer number (1572432910425).

Almost surely, 2^{12131332312201} is an apocalyptic number.

It is an amenable number.

12131332312201 is a deficient number, since it is larger than the sum of its proper divisors (448130971199).

12131332312201 is an equidigital number, since it uses as much as digits as its factorization.

12131332312201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993638939.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 12131332312201 its reverse (10221323313121), we get a palindrome (22352655625322).

The spelling of 12131332312201 in words is "twelve trillion, one hundred thirty-one billion, three hundred thirty-two million, three hundred twelve thousand, two hundred one".