13121311102000 has 40 divisors (see below), whose sum is σ = 31727330249472. Its totient is φ = 5248524440000.

The previous prime is 13121311101991. The next prime is 13121311102013. The reversal of 13121311102000 is 20111312131.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3280325776 + ... + 3280329775.

Almost surely, 2^{13121311102000} is an apocalyptic number.

13121311102000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13121311102000 is an abundant number, since it is smaller than the sum of its proper divisors (18606019147472).

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

13121311102000 is an equidigital number, since it uses as much as digits as its factorization.

13121311102000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6560655574 (or 6560655558 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 13121311102000 its reverse (20111312131), we get a palindrome (13141422414131).

The spelling of 13121311102000 in words is "thirteen trillion, one hundred twenty-one billion, three hundred eleven million, one hundred two thousand".