133000212 has 12 divisors (see below), whose sum is σ = 310333856. Its totient is φ = 44333400.

The previous prime is 133000211. The next prime is 133000229. The reversal of 133000212 is 212000331.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 11083351 = 133000212 / (1 + 3 + 3 + 0 + 0 + 0 + 2 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133000211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5541664 + ... + 5541687.

Almost surely, 2^133000212 is an apocalyptic number.

133000212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

133000212 is an abundant number, since it is smaller than the sum of its proper divisors (177333644).

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

133000212 is a wasteful number, since it uses less digits than its factorization.

133000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11083358 (or 11083356 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 133000212 is about 11532.5717860328. The cubic root of 133000212 is about 510.4471434149.

Adding to 133000212 its reverse (212000331), we get a palindrome (345000543).

The spelling of 133000212 in words is "one hundred thirty-three million, two hundred twelve", and thus it is an aban number.