13112230121000 has 64 divisors (see below), whose sum is σ = 30727023312960. Its totient is φ = 5237301480000.

The previous prime is 13112230120981. The next prime is 13112230121017. The reversal of 13112230121000 is 12103221131.

It is a self number, because there is not a number n which added to its sum of digits gives 13112230121000.

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, 8796866 + ... + 10178865.

It is an arithmetic number, because the mean of its divisors is an integer number (480109739265).

Almost surely, 2^{13112230121000} is an apocalyptic number.

13112230121000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13112230121000 is an abundant number, since it is smaller than the sum of its proper divisors (17614793191960).

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

13112230121000 is a wasteful number, since it uses less digits than its factorization.

13112230121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18976443 (or 18976429 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 13112230121000 its reverse (12103221131), we get a palindrome (13124333342131).

The spelling of 13112230121000 in words is "thirteen trillion, one hundred twelve billion, two hundred thirty million, one hundred twenty-one thousand".