133331012 has 12 divisors (see below), whose sum is σ = 233425920. Its totient is φ = 66637896.

The previous prime is 133330997. The next prime is 133331041. The reversal of 133331012 is 210133331.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7133 + ... + 17819.

It is an arithmetic number, because the mean of its divisors is an integer number (19452160).

Almost surely, 2^133331012 is an apocalyptic number.

It is an amenable number.

133331012 is a deficient number, since it is larger than the sum of its proper divisors (100094908).

133331012 is a wasteful number, since it uses less digits than its factorization.

133331012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13810 (or 13808 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 133331012 is about 11546.9048666731. The cubic root of 133331012 is about 510.8699901458.

Adding to 133331012 its reverse (210133331), we get a palindrome (343464343).

The spelling of 133331012 in words is "one hundred thirty-three million, three hundred thirty-one thousand, twelve".