12001223110031 has 2 divisors, whose sum is σ = 12001223110032. Its totient is φ = 12001223110030.

The previous prime is 12001223110027. The next prime is 12001223110049. The reversal of 12001223110031 is 13001132210021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12001223110031 - 2² = 12001223110027 is a prime.

It is a super-2 number, since 2×12001223110031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12001223109991 and 12001223110009.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001223110091) 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 as a sum of consecutive naturals, namely, 6000611555015 + 6000611555016.

It is an arithmetic number, because the mean of its divisors is an integer number (6000611555016).

Almost surely, 2^{12001223110031} is an apocalyptic number.

12001223110031 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001223110031 is an equidigital number, since it uses as much as digits as its factorization.

12001223110031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12001223110031 its reverse (13001132210021), we get a palindrome (25002355320052).

The spelling of 12001223110031 in words is "twelve trillion, one billion, two hundred twenty-three million, one hundred ten thousand, thirty-one".