13333220221312 has 32 divisors (see below), whose sum is σ = 27478215172800. Its totient is φ = 6436727001600.

The previous prime is 13333220221309. The next prime is 13333220221327. The reversal of 13333220221312 is 21312202233331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×13333220221312² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1795958064 + ... + 1795965487.

It is an arithmetic number, because the mean of its divisors is an integer number (858694224150).

Almost surely, 2^{13333220221312} is an apocalyptic number.

It is an amenable number.

13333220221312 is an abundant number, since it is smaller than the sum of its proper divisors (14144994951488).

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

13333220221312 is an equidigital number, since it uses as much as digits as its factorization.

13333220221312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3591923594 (or 3591923582 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 13333220221312 its reverse (21312202233331), we get a palindrome (34645422454643).

The spelling of 13333220221312 in words is "thirteen trillion, three hundred thirty-three billion, two hundred twenty million, two hundred twenty-one thousand, three hundred twelve".