212091214 has 8 divisors (see below), whose sum is σ = 321225840. Its totient is φ = 105015936.

The previous prime is 212091203. The next prime is 212091233. The reversal of 212091214 is 412190212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 514579 + ... + 514990.

It is an arithmetic number, because the mean of its divisors is an integer number (40153230).

Almost surely, 2^212091214 is an apocalyptic number.

212091214 is a deficient number, since it is larger than the sum of its proper divisors (109134626).

212091214 is a wasteful number, since it uses less digits than its factorization.

212091214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029674.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 212091214 is about 14563.3517433316. The cubic root of 212091214 is about 596.3586999644.

The spelling of 212091214 in words is "two hundred twelve million, ninety-one thousand, two hundred fourteen".