472122166212 has 48 divisors (see below), whose sum is σ = 1226641590720. Its totient is φ = 157037049216.

The previous prime is 472122166189. The next prime is 472122166279. The reversal of 472122166212 is 212661221274.

472122166212 is a `hidden beast` number, since 4 + 7 + 2 + 1 + 2 + 21 + 6 + 621 + 2 = 666.

It is a super-2 number, since 2×472122166212² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4629973 + ... + 4730844.

It is an arithmetic number, because the mean of its divisors is an integer number (25555033140).

Almost surely, 2^472122166212 is an apocalyptic number.

It is an amenable number.

472122166212 is an abundant number, since it is smaller than the sum of its proper divisors (754519424508).

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

472122166212 is a wasteful number, since it uses less digits than its factorization.

472122166212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9361297 (or 9361289 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

Adding to 472122166212 its reverse (212661221274), we get a palindrome (684783387486).

The spelling of 472122166212 in words is "four hundred seventy-two billion, one hundred twenty-two million, one hundred sixty-six thousand, two hundred twelve".