135201212 has 6 divisors (see below), whose sum is σ = 236602128. Its totient is φ = 67600604.

The previous prime is 135201211. The next prime is 135201233. The reversal of 135201212 is 212102531.

It is a happy number.

135201212 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (135201211) by changing a digit.

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 as a sum of consecutive naturals, namely, 16900148 + ... + 16900155.

It is an arithmetic number, because the mean of its divisors is an integer number (39433688).

Almost surely, 2^135201212 is an apocalyptic number.

It is an amenable number.

135201212 is a deficient number, since it is larger than the sum of its proper divisors (101400916).

135201212 is a wasteful number, since it uses less digits than its factorization.

135201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33800307 (or 33800305 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 135201212 is about 11627.6056004665. The cubic root of 135201212 is about 513.2475224341.

Adding to 135201212 its reverse (212102531), we get a palindrome (347303743).

The spelling of 135201212 in words is "one hundred thirty-five million, two hundred one thousand, two hundred twelve".