212250855 has 16 divisors (see below), whose sum is σ = 351312480. Its totient is φ = 109296768.

The previous prime is 212250847. The next prime is 212250859. The reversal of 212250855 is 558052212.

It is not a de Polignac number, because 212250855 - 2³ = 212250847 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212250859) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 243532 + ... + 244401.

It is an arithmetic number, because the mean of its divisors is an integer number (21957030).

Almost surely, 2^212250855 is an apocalyptic number.

212250855 is a deficient number, since it is larger than the sum of its proper divisors (139061625).

212250855 is a wasteful number, since it uses less digits than its factorization.

212250855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487970.

The product of its (nonzero) digits is 8000, while the sum is 30.

The square root of 212250855 is about 14568.8316278280. The cubic root of 212250855 is about 596.5082887834.

The spelling of 212250855 in words is "two hundred twelve million, two hundred fifty thousand, eight hundred fifty-five".