13021142423042 has 12 divisors (see below), whose sum is σ = 21149725415490. Its totient is φ = 6009758041248.

The previous prime is 13021142423027. The next prime is 13021142423143. The reversal of 13021142423042 is 24032424112031.

It can be written as a sum of positive squares in 3 ways, for example, as 6363808430281 + 6657333992761 = 2522659^2 + 2580181^2 .

It is a super-2 number, since 2×13021142423042² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13021142422996 and 13021142423014.

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, 19262044667 + ... + 19262045342.

Almost surely, 2^{13021142423042} is an apocalyptic number.

13021142423042 is a deficient number, since it is larger than the sum of its proper divisors (8128582992448).

13021142423042 is a wasteful number, since it uses less digits than its factorization.

13021142423042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38524090037 (or 38524090024 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 13021142423042 its reverse (24032424112031), we get a palindrome (37053566535073).

The spelling of 13021142423042 in words is "thirteen trillion, twenty-one billion, one hundred forty-two million, four hundred twenty-three thousand, forty-two".