12023132131 has 4 divisors (see below), whose sum is σ = 12026824600. Its totient is φ = 12019439664.

The previous prime is 12023132123. The next prime is 12023132153. The reversal of 12023132131 is 13123132021.

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 12023132131 - 2³ = 12023132123 is a prime.

It is a super-2 number, since 2×12023132131² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12023132099 and 12023132108.

It is not an unprimeable number, because it can be changed into a prime (12023139131) 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, 1841346 + ... + 1847863.

It is an arithmetic number, because the mean of its divisors is an integer number (3006706150).

Almost surely, 2^12023132131 is an apocalyptic number.

12023132131 is a deficient number, since it is larger than the sum of its proper divisors (3692469).

12023132131 is an equidigital number, since it uses as much as digits as its factorization.

12023132131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692468.

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

Adding to 12023132131 its reverse (13123132021), we get a palindrome (25146264152).

The spelling of 12023132131 in words is "twelve billion, twenty-three million, one hundred thirty-two thousand, one hundred thirty-one".