212184068 has 24 divisors (see below), whose sum is σ = 389551680. Its totient is φ = 100987040.

The previous prime is 212184043. The next prime is 212184079. The reversal of 212184068 is 860481212.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4646 + ... + 21117.

It is an arithmetic number, because the mean of its divisors is an integer number (16231320).

Almost surely, 2^212184068 is an apocalyptic number.

It is an amenable number.

212184068 is a deficient number, since it is larger than the sum of its proper divisors (177367612).

212184068 is a wasteful number, since it uses less digits than its factorization.

212184068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25867 (or 25865 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 212184068 is about 14566.5393282001. The cubic root of 212184068 is about 596.4457163172.

The spelling of 212184068 in words is "two hundred twelve million, one hundred eighty-four thousand, sixty-eight".