47947999212 has 72 divisors (see below), whose sum is σ = 127773714432. Its totient is φ = 15137992800.

The previous prime is 47947999159. The next prime is 47947999217. The reversal of 47947999212 is 21299974974.

47947999212 is a `hidden beast` number, since 4 + 79 + 479 + 9 + 92 + 1 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 47947999212.

It is not an unprimeable number, because it can be changed into a prime (47947999217) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 404614 + ... + 509517.

Almost surely, 2^47947999212 is an apocalyptic number.

It is an amenable number.

47947999212 is an abundant number, since it is smaller than the sum of its proper divisors (79825715220).

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

47947999212 is a wasteful number, since it uses less digits than its factorization.

47947999212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 914219 (or 914214 counting only the distinct ones).

The product of its digits is 20575296, while the sum is 63.

The spelling of 47947999212 in words is "forty-seven billion, nine hundred forty-seven million, nine hundred ninety-nine thousand, two hundred twelve".