13313333221212 has 48 divisors (see below), whose sum is σ = 31208300428032. Its totient is φ = 4417249632000.

The previous prime is 13313333221211. The next prime is 13313333221229. The reversal of 13313333221212 is 21212233331331.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 13313333221212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13313333221211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3254553 + ... + 6100719.

It is an arithmetic number, because the mean of its divisors is an integer number (650172925584).

Almost surely, 2^{13313333221212} is an apocalyptic number.

13313333221212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13313333221212 is an abundant number, since it is smaller than the sum of its proper divisors (17894967206820).

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

13313333221212 is a wasteful number, since it uses less digits than its factorization.

13313333221212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2847978 (or 2847976 counting only the distinct ones).

The product of its digits is 11664, while the sum is 30.

Adding to 13313333221212 its reverse (21212233331331), we get a palindrome (34525566552543).

The spelling of 13313333221212 in words is "thirteen trillion, three hundred thirteen billion, three hundred thirty-three million, two hundred twenty-one thousand, two hundred twelve".