12001113310231 has 2 divisors, whose sum is σ = 12001113310232. Its totient is φ = 12001113310230.

The previous prime is 12001113310223. The next prime is 12001113310271. The reversal of 12001113310231 is 13201331110021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12001113310231 - 2³ = 12001113310223 is a prime.

It is a super-2 number, since 2×12001113310231² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12001113310199 and 12001113310208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12001113310271) 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 as a sum of consecutive naturals, namely, 6000556655115 + 6000556655116.

It is an arithmetic number, because the mean of its divisors is an integer number (6000556655116).

Almost surely, 2^{12001113310231} is an apocalyptic number.

12001113310231 is a deficient number, since it is larger than the sum of its proper divisors (1).

12001113310231 is an equidigital number, since it uses as much as digits as its factorization.

12001113310231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 12001113310231 its reverse (13201331110021), we get a palindrome (25202444420252).

The spelling of 12001113310231 in words is "twelve trillion, one billion, one hundred thirteen million, three hundred ten thousand, two hundred thirty-one".