12331240234 has 4 divisors (see below), whose sum is σ = 18496860354. Its totient is φ = 6165620116.

The previous prime is 12331240223. The next prime is 12331240253. The reversal of 12331240234 is 43204213321.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10670270209 + 1660970025 = 103297^2 + 40755^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12331240199 and 12331240208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3082810057 + ... + 3082810060.

Almost surely, 2^12331240234 is an apocalyptic number.

12331240234 is a deficient number, since it is larger than the sum of its proper divisors (6165620120).

12331240234 is an equidigital number, since it uses as much as digits as its factorization.

12331240234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6165620119.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 12331240234 its reverse (43204213321), we get a palindrome (55535453555).

The spelling of 12331240234 in words is "twelve billion, three hundred thirty-one million, two hundred forty thousand, two hundred thirty-four".