71304605212 has 12 divisors (see below), whose sum is σ = 124949220256. Its totient is φ = 35604828000.

The previous prime is 71304605189. The next prime is 71304605237. The reversal of 71304605212 is 21250640317.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 11865273 + ... + 11871280.

Almost surely, 2^71304605212 is an apocalyptic number.

It is an amenable number.

71304605212 is a deficient number, since it is larger than the sum of its proper divisors (53644615044).

71304605212 is a wasteful number, since it uses less digits than its factorization.

71304605212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23737308 (or 23737306 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 31.

The spelling of 71304605212 in words is "seventy-one billion, three hundred four million, six hundred five thousand, two hundred twelve".