947128105210 has 32 divisors (see below), whose sum is σ = 1951334478720. Its totient is φ = 324236859072.

The previous prime is 947128105207. The next prime is 947128105219. The reversal of 947128105210 is 12501821749.

It is not an unprimeable number, because it can be changed into a prime (947128105219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10219729 + ... + 10311988.

It is an arithmetic number, because the mean of its divisors is an integer number (60979202460).

Almost surely, 2^947128105210 is an apocalyptic number.

947128105210 is an abundant number, since it is smaller than the sum of its proper divisors (1004206373510).

947128105210 is a wasteful number, since it uses less digits than its factorization.

947128105210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20532390.

The product of its (nonzero) digits is 40320, while the sum is 40.

Adding to 947128105210 its reverse (12501821749), we get a palindrome (959629926959).

The spelling of 947128105210 in words is "nine hundred forty-seven billion, one hundred twenty-eight million, one hundred five thousand, two hundred ten".