133212013 has 8 divisors (see below), whose sum is σ = 147492000. Its totient is φ = 119293680.

The previous prime is 133212011. The next prime is 133212041. The reversal of 133212013 is 310212331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133212013 - 2¹ = 133212011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133212011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89638 + ... + 91111.

It is an arithmetic number, because the mean of its divisors is an integer number (18436500).

Almost surely, 2^133212013 is an apocalyptic number.

It is an amenable number.

133212013 is a deficient number, since it is larger than the sum of its proper divisors (14279987).

133212013 is a wasteful number, since it uses less digits than its factorization.

133212013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180827.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 133212013 is about 11541.7508637121. The cubic root of 133212013 is about 510.7179597164.

Adding to 133212013 its reverse (310212331), we get a palindrome (443424344).

The spelling of 133212013 in words is "one hundred thirty-three million, two hundred twelve thousand, thirteen".