134421212 has 12 divisors (see below), whose sum is σ = 235937520. Its totient is φ = 67010496.

The previous prime is 134421187. The next prime is 134421271. The reversal of 134421212 is 212124431.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48512 + ... + 51207.

It is an arithmetic number, because the mean of its divisors is an integer number (19661460).

Almost surely, 2^134421212 is an apocalyptic number.

It is an amenable number.

134421212 is a deficient number, since it is larger than the sum of its proper divisors (101516308).

134421212 is a wasteful number, since it uses less digits than its factorization.

134421212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100060 (or 100058 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 134421212 is about 11594.0162152724. The cubic root of 134421212 is about 512.2586126382.

Adding to 134421212 its reverse (212124431), we get a palindrome (346545643).

The spelling of 134421212 in words is "one hundred thirty-four million, four hundred twenty-one thousand, two hundred twelve".