133312313323212 has 12 divisors (see below), whose sum is σ = 311062064420856. Its totient is φ = 44437437774400.

The previous prime is 133312313323141. The next prime is 133312313323219. The reversal of 133312313323212 is 212323313213331.

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

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

It is not an unprimeable number, because it can be changed into a prime (133312313323219) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5554679721789 + ... + 5554679721812.

It is an arithmetic number, because the mean of its divisors is an integer number (25921838701738).

Almost surely, 2^{133312313323212} is an apocalyptic number.

133312313323212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133312313323212 is an abundant number, since it is smaller than the sum of its proper divisors (177749751097644).

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

133312313323212 is a wasteful number, since it uses less digits than its factorization.

133312313323212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11109359443608 (or 11109359443606 counting only the distinct ones).

The product of its digits is 34992, while the sum is 33.

Adding to 133312313323212 its reverse (212323313213331), we get a palindrome (345635626536543).

The spelling of 133312313323212 in words is "one hundred thirty-three trillion, three hundred twelve billion, three hundred thirteen million, three hundred twenty-three thousand, two hundred twelve".