12012103131201 has 10 divisors (see below), whose sum is σ = 17944005912162. Its totient is φ = 8008068754080.

The previous prime is 12012103131157. The next prime is 12012103131247. The reversal of 12012103131201 is 10213130121021.

12012103131201 is a `hidden beast` number, since 1 + 20 + 1 + 210 + 313 + 120 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8393449151025 + 3618653980176 = 2897145^2 + 1902276^2 .

It is not a de Polignac number, because 12012103131201 - 2¹⁵ = 12012103098433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12012103131701) 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 9 ways as a sum of consecutive naturals, for example, 74148784680 + ... + 74148784841.

Almost surely, 2^{12012103131201} is an apocalyptic number.

It is an amenable number.

12012103131201 is a deficient number, since it is larger than the sum of its proper divisors (5931902780961).

12012103131201 is an equidigital number, since it uses as much as digits as its factorization.

12012103131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148297569533 (or 148297569524 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 12012103131201 its reverse (10213130121021), we get a palindrome (22225233252222).

The spelling of 12012103131201 in words is "twelve trillion, twelve billion, one hundred three million, one hundred thirty-one thousand, two hundred one".