12312443034 has 24 divisors (see below), whose sum is σ = 26717344212. Its totient is φ = 4097934720.

The previous prime is 12312443009. The next prime is 12312443041. The reversal of 12312443034 is 43034421321.

12312443034 is a `hidden beast` number, since 1 + 2 + 312 + 44 + 303 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 10313011809 + 1999431225 = 101553^2 + 44715^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12312442989 and 12312443007.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 505519 + ... + 529314.

Almost surely, 2^12312443034 is an apocalyptic number.

12312443034 is an abundant number, since it is smaller than the sum of its proper divisors (14404901178).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12312443034 is a wasteful number, since it uses less digits than its factorization.

12312443034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035502 (or 1035499 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 12312443034 its reverse (43034421321), we get a palindrome (55346864355).

The spelling of 12312443034 in words is "twelve billion, three hundred twelve million, four hundred forty-three thousand, thirty-four".