13330020121012 has 96 divisors (see below), whose sum is σ = 27216968018688. Its totient is φ = 5593964073984.

The previous prime is 13330020121007. The next prime is 13330020121021. The reversal of 13330020121012 is 21012102003331.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 1775674963 + ... + 1775682469.

It is an arithmetic number, because the mean of its divisors is an integer number (283510083528).

Almost surely, 2^{13330020121012} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13330020121012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13608484009344).

13330020121012 is an abundant number, since it is smaller than the sum of its proper divisors (13886947897676).

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

13330020121012 is a wasteful number, since it uses less digits than its factorization.

13330020121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9785 (or 9783 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 13330020121012 its reverse (21012102003331), we get a palindrome (34342122124343).

The spelling of 13330020121012 in words is "thirteen trillion, three hundred thirty billion, twenty million, one hundred twenty-one thousand, twelve".