212755316 has 12 divisors (see below), whose sum is σ = 372426432. Its totient is φ = 106347768.

The previous prime is 212755243. The next prime is 212755327. The reversal of 212755316 is 613557212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18821 + ... + 27923.

It is an arithmetic number, because the mean of its divisors is an integer number (31035536).

Almost surely, 2^212755316 is an apocalyptic number.

It is an amenable number.

212755316 is a deficient number, since it is larger than the sum of its proper divisors (159671116).

212755316 is a wasteful number, since it uses less digits than its factorization.

212755316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14950 (or 14948 counting only the distinct ones).

The product of its digits is 12600, while the sum is 32.

The square root of 212755316 is about 14586.1343748095. The cubic root of 212755316 is about 596.9804927471.

The spelling of 212755316 in words is "two hundred twelve million, seven hundred fifty-five thousand, three hundred sixteen".