133331344212 has 48 divisors (see below), whose sum is σ = 339410534400. Its totient is φ = 40400859360.

The previous prime is 133331344189. The next prime is 133331344229. The reversal of 133331344212 is 212443133331.

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 133331344212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3529239 + ... + 3566817.

It is an arithmetic number, because the mean of its divisors is an integer number (7071052800).

Almost surely, 2^133331344212 is an apocalyptic number.

133331344212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133331344212 is an abundant number, since it is smaller than the sum of its proper divisors (206079190188).

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

133331344212 is a wasteful number, since it uses less digits than its factorization.

133331344212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64476 (or 64474 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

Adding to 133331344212 its reverse (212443133331), we get a palindrome (345774477543).

The spelling of 133331344212 in words is "one hundred thirty-three billion, three hundred thirty-one million, three hundred forty-four thousand, two hundred twelve".