12311124322442 has 32 divisors (see below), whose sum is σ = 20430202968000. Its totient is φ = 5517235152000.

The previous prime is 12311124322423. The next prime is 12311124322451. The reversal of 12311124322442 is 24422342111321.

It is a junction number, because it is equal to n+sod(n) for n = 12311124322399 and 12311124322408.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 8324684 + ... + 9691367.

It is an arithmetic number, because the mean of its divisors is an integer number (638443842750).

Almost surely, 2^{12311124322442} is an apocalyptic number.

12311124322442 is a deficient number, since it is larger than the sum of its proper divisors (8119078645558).

12311124322442 is a wasteful number, since it uses less digits than its factorization.

12311124322442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18016502.

The product of its digits is 18432, while the sum is 32.

Adding to 12311124322442 its reverse (24422342111321), we get a palindrome (36733466433763).

The spelling of 12311124322442 in words is "twelve trillion, three hundred eleven billion, one hundred twenty-four million, three hundred twenty-two thousand, four hundred forty-two".