13121432052242 has 16 divisors (see below), whose sum is σ = 19685949048000. Its totient is φ = 6559449172848.

The previous prime is 13121432052217. The next prime is 13121432052257. The reversal of 13121432052242 is 24225023412131.

13121432052242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13121432052199 and 13121432052208.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 314739923 + ... + 314781609.

It is an arithmetic number, because the mean of its divisors is an integer number (1230371815500).

Almost surely, 2^{13121432052242} is an apocalyptic number.

13121432052242 is a deficient number, since it is larger than the sum of its proper divisors (6564516995758).

13121432052242 is a wasteful number, since it uses less digits than its factorization.

13121432052242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68305.

The product of its (nonzero) digits is 23040, while the sum is 32.

Adding to 13121432052242 its reverse (24225023412131), we get a palindrome (37346455464373).

The spelling of 13121432052242 in words is "thirteen trillion, one hundred twenty-one billion, four hundred thirty-two million, fifty-two thousand, two hundred forty-two".