134221012 has 24 divisors (see below), whose sum is σ = 239570856. Its totient is φ = 65783808.

The previous prime is 134221007. The next prime is 134221013. The reversal of 134221012 is 210122431.

It can be written as a sum of positive squares in 4 ways, for example, as 61528336 + 72692676 = 7844^2 + 8526^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134221013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49188 + ... + 51844.

It is an arithmetic number, because the mean of its divisors is an integer number (9982119).

Almost surely, 2^134221012 is an apocalyptic number.

It is an amenable number.

134221012 is a deficient number, since it is larger than the sum of its proper divisors (105349844).

134221012 is a wasteful number, since it uses less digits than its factorization.

134221012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907 (or 2905 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 134221012 is about 11585.3792341900. The cubic root of 134221012 is about 512.0041757879.

Adding to 134221012 its reverse (210122431), we get a palindrome (344343443).

The spelling of 134221012 in words is "one hundred thirty-four million, two hundred twenty-one thousand, twelve".