12031101011023 has 4 divisors (see below), whose sum is σ = 12122941476888. Its totient is φ = 11939260545160.

The previous prime is 12031101010927. The next prime is 12031101011047. The reversal of 12031101011023 is 32011010113021.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12031101011023 - 2¹⁷ = 12031100879951 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12031101010988 and 12031101011006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12031101011063) 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 3 ways as a sum of consecutive naturals, for example, 45920232736 + ... + 45920232997.

It is an arithmetic number, because the mean of its divisors is an integer number (3030735369222).

Almost surely, 2^{12031101011023} is an apocalyptic number.

12031101011023 is a deficient number, since it is larger than the sum of its proper divisors (91840465865).

12031101011023 is an equidigital number, since it uses as much as digits as its factorization.

12031101011023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91840465864.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12031101011023 its reverse (32011010113021), we get a palindrome (44042111124044).

The spelling of 12031101011023 in words is "twelve trillion, thirty-one billion, one hundred one million, eleven thousand, twenty-three".