134205012 has 36 divisors (see below), whose sum is σ = 351807456. Its totient is φ = 44734680.

The previous prime is 134204989. The next prime is 134205017. The reversal of 134205012 is 210502431.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134205017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68064 + ... + 70007.

Almost surely, 2^134205012 is an apocalyptic number.

134205012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

134205012 is an abundant number, since it is smaller than the sum of its proper divisors (217602444).

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

134205012 is a wasteful number, since it uses less digits than its factorization.

134205012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138090 (or 138076 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 134205012 is about 11584.6886880917. The cubic root of 134205012 is about 511.9838302592.

Adding to 134205012 its reverse (210502431), we get a palindrome (344707443).

The spelling of 134205012 in words is "one hundred thirty-four million, two hundred five thousand, twelve".