12311240434234 has 16 divisors (see below), whose sum is σ = 21108137996736. Its totient is φ = 5275457301600.

The previous prime is 12311240434217. The next prime is 12311240434237. The reversal of 12311240434234 is 43243404211321.

It is a self number, because there is not a number n which added to its sum of digits gives 12311240434234.

It is not an unprimeable number, because it can be changed into a prime (12311240434237) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 65619547 + ... + 65806894.

It is an arithmetic number, because the mean of its divisors is an integer number (1319258624796).

Almost surely, 2^{12311240434234} is an apocalyptic number.

12311240434234 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

12311240434234 is a deficient number, since it is larger than the sum of its proper divisors (8796897562502).

12311240434234 is a wasteful number, since it uses less digits than its factorization.

12311240434234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131433141.

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 12311240434234 its reverse (43243404211321), we get a palindrome (55554644645555).

The spelling of 12311240434234 in words is "twelve trillion, three hundred eleven billion, two hundred forty million, four hundred thirty-four thousand, two hundred thirty-four".