12313021201231 has 16 divisors (see below), whose sum is σ = 12462908260000. Its totient is φ = 12163826941056.

The previous prime is 12313021201153. The next prime is 12313021201237. The reversal of 12313021201231 is 13210212031321.

It is a cyclic number.

It is not a de Polignac number, because 12313021201231 - 2⁹ = 12313021200719 is a prime.

It is a super-2 number, since 2×12313021201231² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12313021201237) 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 15 ways as a sum of consecutive naturals, for example, 128387965 + ... + 128483833.

It is an arithmetic number, because the mean of its divisors is an integer number (778931766250).

Almost surely, 2^{12313021201231} is an apocalyptic number.

12313021201231 is a deficient number, since it is larger than the sum of its proper divisors (149887058769).

12313021201231 is a wasteful number, since it uses less digits than its factorization.

12313021201231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99466.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12313021201231 its reverse (13210212031321), we get a palindrome (25523233232552).

The spelling of 12313021201231 in words is "twelve trillion, three hundred thirteen billion, twenty-one million, two hundred one thousand, two hundred thirty-one".