13121140121410 has 16 divisors (see below), whose sum is σ = 23883423593400. Its totient is φ = 5189484631936.

The previous prime is 13121140121387. The next prime is 13121140121417. The reversal of 13121140121410 is 1412104112131.

It can be written as a sum of positive squares in 4 ways, for example, as 6721621426881 + 6399518694529 = 2592609^2 + 2529727^2 .

It is not an unprimeable number, because it can be changed into a prime (13121140121417) 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 7 ways as a sum of consecutive naturals, for example, 7371426145 + ... + 7371427924.

Almost surely, 2^{13121140121410} is an apocalyptic number.

13121140121410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13121140121410 is a deficient number, since it is larger than the sum of its proper divisors (10762283471990).

13121140121410 is a wasteful number, since it uses less digits than its factorization.

13121140121410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14742854165.

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 13121140121410 its reverse (1412104112131), we get a palindrome (14533244233541).

The spelling of 13121140121410 in words is "thirteen trillion, one hundred twenty-one billion, one hundred forty million, one hundred twenty-one thousand, four hundred ten".