212546472 has 16 divisors (see below), whose sum is σ = 531366240. Its totient is φ = 70848816.

The previous prime is 212546437. The next prime is 212546479. The reversal of 212546472 is 274645212.

212546472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (212546479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4428028 + ... + 4428075.

It is an arithmetic number, because the mean of its divisors is an integer number (33210390).

Almost surely, 2^212546472 is an apocalyptic number.

It is an amenable number.

212546472 is an abundant number, since it is smaller than the sum of its proper divisors (318819768).

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

212546472 is a wasteful number, since it uses less digits than its factorization.

212546472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8856112 (or 8856108 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 212546472 is about 14578.9736264251. The cubic root of 212546472 is about 596.7850936172.

The spelling of 212546472 in words is "two hundred twelve million, five hundred forty-six thousand, four hundred seventy-two".