13333220121012 has 48 divisors (see below), whose sum is σ = 33943020065472. Its totient is φ = 4039903745280.

The previous prime is 13333220120989. The next prime is 13333220121041. The reversal of 13333220121012 is 21012102233331.

It is a congruent number.

It is an unprimeable number.

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, 4675153 + ... + 6965880.

It is an arithmetic number, because the mean of its divisors is an integer number (707146251364).

Almost surely, 2^{13333220121012} is an apocalyptic number.

13333220121012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13333220121012 is an abundant number, since it is smaller than the sum of its proper divisors (20609799944460).

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

13333220121012 is a wasteful number, since it uses less digits than its factorization.

13333220121012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11649728 (or 11649726 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 13333220121012 its reverse (21012102233331), we get a palindrome (34345322354343).

The spelling of 13333220121012 in words is "thirteen trillion, three hundred thirty-three billion, two hundred twenty million, one hundred twenty-one thousand, twelve".