947248212 has 12 divisors (see below), whose sum is σ = 2210245856. Its totient is φ = 315749400.

The previous prime is 947248189. The next prime is 947248223. The reversal of 947248212 is 212842749.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39468664 + ... + 39468687.

Almost surely, 2^947248212 is an apocalyptic number.

It is an amenable number.

947248212 is an abundant number, since it is smaller than the sum of its proper divisors (1262997644).

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

947248212 is a wasteful number, since it uses less digits than its factorization.

947248212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78937358 (or 78937356 counting only the distinct ones).

The product of its digits is 64512, while the sum is 39.

The square root of 947248212 is about 30777.3977457484. The cubic root of 947248212 is about 982.0974831431.

The spelling of 947248212 in words is "nine hundred forty-seven million, two hundred forty-eight thousand, two hundred twelve".