13121304034324 has 12 divisors (see below), whose sum is σ = 23108538634804. Its totient is φ = 6518864424384.

The previous prime is 13121304034309. The next prime is 13121304034337. The reversal of 13121304034324 is 42343040312131.

It can be written as a sum of positive squares in 2 ways, for example, as 4411604545924 + 8709699488400 = 2100382^2 + 2951220^2 .

It is a super-2 number, since 2×13121304034324² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

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, 10446897489 + ... + 10446898744.

Almost surely, 2^{13121304034324} is an apocalyptic number.

It is an amenable number.

13121304034324 is a deficient number, since it is larger than the sum of its proper divisors (9987234600480).

13121304034324 is a wasteful number, since it uses less digits than its factorization.

13121304034324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20893796394 (or 20893796392 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 13121304034324 its reverse (42343040312131), we get a palindrome (55464344346455).

The spelling of 13121304034324 in words is "thirteen trillion, one hundred twenty-one billion, three hundred four million, thirty-four thousand, three hundred twenty-four".