212071472 has 20 divisors (see below), whose sum is σ = 411532440. Its totient is φ = 105869568.

The previous prime is 212071451. The next prime is 212071493. The reversal of 212071472 is 274170212.

It is an interprime number because it is at equal distance from previous prime (212071451) and next prime (212071493).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 488 + ... + 20600.

It is an arithmetic number, because the mean of its divisors is an integer number (20576622).

Almost surely, 2^212071472 is an apocalyptic number.

It is an amenable number.

212071472 is a deficient number, since it is larger than the sum of its proper divisors (199460968).

212071472 is a wasteful number, since it uses less digits than its factorization.

212071472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20780 (or 20774 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 212071472 is about 14562.6739302918. The cubic root of 212071472 is about 596.3401958523.

The spelling of 212071472 in words is "two hundred twelve million, seventy-one thousand, four hundred seventy-two".