13210253650121 has 16 divisors (see below), whose sum is σ = 14671357404288. Its totient is φ = 11892726022320.

The previous prime is 13210253650093. The next prime is 13210253650133. The reversal of 13210253650121 is 12105635201231.

It is not a de Polignac number, because 13210253650121 - 2¹⁸ = 13210253387977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13210253650171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48042806 + ... + 48316991.

It is an arithmetic number, because the mean of its divisors is an integer number (916959837768).

Almost surely, 2^{13210253650121} is an apocalyptic number.

13210253650121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13210253650121 is a deficient number, since it is larger than the sum of its proper divisors (1461103754167).

13210253650121 is an equidigital number, since it uses as much as digits as its factorization.

13210253650121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96359933 (or 96359911 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

Adding to 13210253650121 its reverse (12105635201231), we get a palindrome (25315888851352).

The spelling of 13210253650121 in words is "thirteen trillion, two hundred ten billion, two hundred fifty-three million, six hundred fifty thousand, one hundred twenty-one".