13222333012212 has 144 divisors (see below), whose sum is σ = 35450607104640. Its totient is φ = 4140989485056.

The previous prime is 13222333012193. The next prime is 13222333012247. The reversal of 13222333012212 is 21221033322231.

13222333012212 is a `hidden beast` number, since 1 + 322 + 2 + 3 + 3 + 301 + 22 + 12 = 666.

It is a super-2 number, since 2×13222333012212² (a number of 27 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 982554988 + ... + 982568444.

It is an arithmetic number, because the mean of its divisors is an integer number (246184771560).

Almost surely, 2^{13222333012212} is an apocalyptic number.

13222333012212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13222333012212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17725303552320).

13222333012212 is an abundant number, since it is smaller than the sum of its proper divisors (22228274092428).

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

13222333012212 is a wasteful number, since it uses less digits than its factorization.

13222333012212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16150 (or 16145 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 13222333012212 its reverse (21221033322231), we get a palindrome (34443366334443).

The spelling of 13222333012212 in words is "thirteen trillion, two hundred twenty-two billion, three hundred thirty-three million, twelve thousand, two hundred twelve".