13121413068444 has 48 divisors (see below), whose sum is σ = 31573870221600. Its totient is φ = 4238487746560.

The previous prime is 13121413068443. The next prime is 13121413068481. The reversal of 13121413068444 is 44486031412131.

It is a happy number.

It is a super-2 number, since 2×13121413068444² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13121413068396 and 13121413068405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13121413068443) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 89421789 + ... + 89568404.

It is an arithmetic number, because the mean of its divisors is an integer number (657788962950).

Almost surely, 2^{13121413068444} is an apocalyptic number.

It is an amenable number.

13121413068444 is an abundant number, since it is smaller than the sum of its proper divisors (18452457153156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13121413068444 is a wasteful number, since it uses less digits than its factorization.

13121413068444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178990390 (or 178990388 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 13121413068444 in words is "thirteen trillion, one hundred twenty-one billion, four hundred thirteen million, sixty-eight thousand, four hundred forty-four".