12340012331 has 4 divisors (see below), whose sum is σ = 12344856000. Its totient is φ = 12335168664.

The previous prime is 12340012283. The next prime is 12340012357. The reversal of 12340012331 is 13321004321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13321004321 = 971 ⋅13718851.

It is a cyclic number.

It is not a de Polignac number, because 12340012331 - 2³⁰ = 11266270507 is a prime.

It is a super-2 number, since 2×12340012331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12340012031) 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, 2418011 + ... + 2423108.

It is an arithmetic number, because the mean of its divisors is an integer number (3086214000).

Almost surely, 2^12340012331 is an apocalyptic number.

12340012331 is a deficient number, since it is larger than the sum of its proper divisors (4843669).

12340012331 is an equidigital number, since it uses as much as digits as its factorization.

12340012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4843668.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 12340012331 its reverse (13321004321), we get a palindrome (25661016652).

The spelling of 12340012331 in words is "twelve billion, three hundred forty million, twelve thousand, three hundred thirty-one".