12011002331023 has 4 divisors (see below), whose sum is σ = 12237625016568. Its totient is φ = 11784379645480.

The previous prime is 12011002330963. The next prime is 12011002331033. The reversal of 12011002331023 is 32013320011021.

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 12011002331023 - 2²⁵ = 12010968776591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011002331033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113311342693 + ... + 113311342798.

It is an arithmetic number, because the mean of its divisors is an integer number (3059406254142).

Almost surely, 2^{12011002331023} is an apocalyptic number.

12011002331023 is a deficient number, since it is larger than the sum of its proper divisors (226622685545).

12011002331023 is an equidigital number, since it uses as much as digits as its factorization.

12011002331023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226622685544.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 12011002331023 its reverse (32013320011021), we get a palindrome (44024322342044).

The spelling of 12011002331023 in words is "twelve trillion, eleven billion, two million, three hundred thirty-one thousand, twenty-three".