13331343403212 has 12 divisors (see below), whose sum is σ = 31106467940856. Its totient is φ = 4443781134400.

The previous prime is 13331343403193. The next prime is 13331343403241. The reversal of 13331343403212 is 21230434313331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×13331343403212² (a number of 27 digits) contains 22 as substring.

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, 555472641789 + ... + 555472641812.

It is an arithmetic number, because the mean of its divisors is an integer number (2592205661738).

Almost surely, 2^{13331343403212} is an apocalyptic number.

13331343403212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13331343403212 is an abundant number, since it is smaller than the sum of its proper divisors (17775124537644).

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

13331343403212 is a wasteful number, since it uses less digits than its factorization.

13331343403212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110945283608 (or 1110945283606 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 33.

Adding to 13331343403212 its reverse (21230434313331), we get a palindrome (34561777716543).

The spelling of 13331343403212 in words is "thirteen trillion, three hundred thirty-one billion, three hundred forty-three million, four hundred three thousand, two hundred twelve".