12431233221201 has 12 divisors (see below), whose sum is σ = 17983978826112. Its totient is φ = 8274679708536.

The previous prime is 12431233221133. The next prime is 12431233221203. The reversal of 12431233221201 is 10212233213421.

12431233221201 is a `hidden beast` number, since 1 + 2 + 4 + 3 + 1 + 233 + 221 + 201 = 666.

It is not a de Polignac number, because 12431233221201 - 2¹⁹ = 12431232696913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12431233221203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1067419321 + ... + 1067430966.

It is an arithmetic number, because the mean of its divisors is an integer number (1498664902176).

Almost surely, 2^{12431233221201} is an apocalyptic number.

It is an amenable number.

12431233221201 is a deficient number, since it is larger than the sum of its proper divisors (5552745604911).

12431233221201 is a wasteful number, since it uses less digits than its factorization.

12431233221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2134850940 (or 2134850937 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 12431233221201 its reverse (10212233213421), we get a palindrome (22643466434622).

The spelling of 12431233221201 in words is "twelve trillion, four hundred thirty-one billion, two hundred thirty-three million, two hundred twenty-one thousand, two hundred one".