133303333212 has 108 divisors (see below), whose sum is σ = 392073337656. Its totient is φ = 38077139520.

The previous prime is 133303333171. The next prime is 133303333217. The reversal of 133303333212 is 212333303331.

133303333212 is a `hidden beast` number, since 1 + 3 + 3 + 3 + 0 + 333 + 321 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133303333217) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10120543 + ... + 10133705.

It is an arithmetic number, because the mean of its divisors is an integer number (3630308682).

Almost surely, 2^133303333212 is an apocalyptic number.

133303333212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133303333212 is an abundant number, since it is smaller than the sum of its proper divisors (258770004444).

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

133303333212 is a wasteful number, since it uses less digits than its factorization.

133303333212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18928 (or 18916 counting only the distinct ones).

The product of its (nonzero) digits is 8748, while the sum is 27.

Adding to 133303333212 its reverse (212333303331), we get a palindrome (345636636543).

The spelling of 133303333212 in words is "one hundred thirty-three billion, three hundred three million, three hundred thirty-three thousand, two hundred twelve".