13240043122 has 12 divisors (see below), whose sum is σ = 21097024650. Its totient is φ = 6230608256.

The previous prime is 13240043083. The next prime is 13240043153. The reversal of 13240043122 is 22134004231.

It can be written as a sum of positive squares in 3 ways, for example, as 12877483441 + 362559681 = 113479^2 + 19041^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13240043093 and 13240043102.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11452747 + ... + 11453902.

Almost surely, 2^13240043122 is an apocalyptic number.

13240043122 is a deficient number, since it is larger than the sum of its proper divisors (7856981528).

13240043122 is a wasteful number, since it uses less digits than its factorization.

13240043122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22906685 (or 22906668 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 13240043122 its reverse (22134004231), we get a palindrome (35374047353).

The spelling of 13240043122 in words is "thirteen billion, two hundred forty million, forty-three thousand, one hundred twenty-two".