12000131023 has 4 divisors (see below), whose sum is σ = 12000358288. Its totient is φ = 11999903760.

The previous prime is 12000130993. The next prime is 12000131029. The reversal of 12000131023 is 32013100021.

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 12000131023 - 2²⁹ = 11463260111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12000130994 and 12000131012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12000131029) 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, 11515 + ... + 155347.

It is an arithmetic number, because the mean of its divisors is an integer number (3000089572).

Almost surely, 2^12000131023 is an apocalyptic number.

12000131023 is a deficient number, since it is larger than the sum of its proper divisors (227265).

12000131023 is an equidigital number, since it uses as much as digits as its factorization.

12000131023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227264.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 12000131023 its reverse (32013100021), we get a palindrome (44013231044).

The spelling of 12000131023 in words is "twelve billion, one hundred thirty-one thousand, twenty-three".