133341012 has 96 divisors (see below), whose sum is σ = 415923200. Its totient is φ = 36088416.

The previous prime is 133341011. The next prime is 133341029. The reversal of 133341012 is 210143331.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133341011) 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 31 ways as a sum of consecutive naturals, for example, 9723 + ... + 19005.

Almost surely, 2^133341012 is an apocalyptic number.

133341012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 133341012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207961600).

133341012 is an abundant number, since it is smaller than the sum of its proper divisors (282582188).

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

133341012 is a wasteful number, since it uses less digits than its factorization.

133341012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9322 (or 9314 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 133341012 is about 11547.3378750256. The cubic root of 133341012 is about 510.8827617986.

Adding to 133341012 its reverse (210143331), we get a palindrome (343484343).

The spelling of 133341012 in words is "one hundred thirty-three million, three hundred forty-one thousand, twelve".