13122305131442 has 8 divisors (see below), whose sum is σ = 21197569827756. Its totient is φ = 6056448522192.

The previous prime is 13122305131381. The next prime is 13122305131459. The reversal of 13122305131442 is 24413150322131.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13042780567441 + 79524564001 = 3611479^2 + 282001^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13122305131399 and 13122305131408.

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 in 3 ways as a sum of consecutive naturals, for example, 252352021733 + ... + 252352021784.

Almost surely, 2^{13122305131442} is an apocalyptic number.

13122305131442 is a deficient number, since it is larger than the sum of its proper divisors (8075264696314).

13122305131442 is a wasteful number, since it uses less digits than its factorization.

13122305131442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504704043532.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 13122305131442 its reverse (24413150322131), we get a palindrome (37535455453573).

The spelling of 13122305131442 in words is "thirteen trillion, one hundred twenty-two billion, three hundred five million, one hundred thirty-one thousand, four hundred forty-two".