133012 has 12 divisors (see below), whose sum is σ = 254016. Its totient is φ = 60440.

The previous prime is 132989. The next prime is 133013. The reversal of 133012 is 210331.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 133012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133013) by changing a digit.

133012 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1468 + ... + 1555.

It is an arithmetic number, because the mean of its divisors is an integer number (21168).

2¹³³⁰¹² is an apocalyptic number.

It is an amenable number.

133012 is a deficient number, since it is larger than the sum of its proper divisors (121004).

133012 is a wasteful number, since it uses less digits than its factorization.

133012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038 (or 3036 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 133012 is about 364.7081024600. The cubic root of 133012 is about 51.0462223524.

Adding to 133012 its reverse (210331), we get a palindrome (343343).

It can be divided in two parts, 13 and 3012, that added together give a square (3025 = 55²).

The spelling of 133012 in words is "one hundred thirty-three thousand, twelve".