13121200330112 has 128 divisors (see below), whose sum is σ = 31957566258240. Its totient is φ = 5238021685248.

The previous prime is 13121200330093. The next prime is 13121200330141. The reversal of 13121200330112 is 21103300212131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2962823 + ... + 5917830.

Almost surely, 2^{13121200330112} is an apocalyptic number.

It is an amenable number.

13121200330112 is an abundant number, since it is smaller than the sum of its proper divisors (18836365928128).

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

13121200330112 is an equidigital number, since it uses as much as digits as its factorization.

13121200330112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8880788 (or 8880776 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 13121200330112 its reverse (21103300212131), we get a palindrome (34224500542243).

The spelling of 13121200330112 in words is "thirteen trillion, one hundred twenty-one billion, two hundred million, three hundred thirty thousand, one hundred twelve".