212873160 has 64 divisors (see below), whose sum is σ = 642744000. Its totient is φ = 56399616.

The previous prime is 212873117. The next prime is 212873161. The reversal of 212873160 is 61378212.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (212873161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13191 + ... + 24489.

It is an arithmetic number, because the mean of its divisors is an integer number (10042875).

Almost surely, 2^212873160 is an apocalyptic number.

212873160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212873160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (321372000).

212873160 is an abundant number, since it is smaller than the sum of its proper divisors (429870840).

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

212873160 is a wasteful number, since it uses less digits than its factorization.

212873160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11470 (or 11466 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 212873160 is about 14590.1734054123. The cubic root of 212873160 is about 597.0906938074.

The spelling of 212873160 in words is "two hundred twelve million, eight hundred seventy-three thousand, one hundred sixty".