133125212 has 24 divisors (see below), whose sum is σ = 254498160. Its totient is φ = 60428160.

The previous prime is 133125211. The next prime is 133125247. The reversal of 133125212 is 212521331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133125211) 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, 39614 + ... + 42842.

It is an arithmetic number, because the mean of its divisors is an integer number (10604090).

Almost surely, 2^133125212 is an apocalyptic number.

It is an amenable number.

133125212 is a deficient number, since it is larger than the sum of its proper divisors (121372948).

133125212 is a wasteful number, since it uses less digits than its factorization.

133125212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4181 (or 4179 counting only the distinct ones).

The product of its digits is 360, while the sum is 20.

The square root of 133125212 is about 11537.9899462601. The cubic root of 133125212 is about 510.6070076064.

Adding to 133125212 its reverse (212521331), we get a palindrome (345646543).

The spelling of 133125212 in words is "one hundred thirty-three million, one hundred twenty-five thousand, two hundred twelve".