12023213131 has 8 divisors (see below), whose sum is σ = 12550133664. Its totient is φ = 11496640320.

The previous prime is 12023213099. The next prime is 12023213171. The reversal of 12023213131 is 13131232021.

12023213131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12023213131 - 2⁵ = 12023213099 is a prime.

It is a super-2 number, since 2×12023213131² (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 = 12023213099 and 12023213108.

It is not an unprimeable number, because it can be changed into a prime (12023213171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14986 + ... + 155791.

It is an arithmetic number, because the mean of its divisors is an integer number (1568766708).

Almost surely, 2^12023213131 is an apocalyptic number.

12023213131 is a deficient number, since it is larger than the sum of its proper divisors (526920533).

12023213131 is a wasteful number, since it uses less digits than its factorization.

12023213131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173861.

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

Adding to 12023213131 its reverse (13131232021), we get a palindrome (25154445152).

The spelling of 12023213131 in words is "twelve billion, twenty-three million, two hundred thirteen thousand, one hundred thirty-one".