212387214 has 16 divisors (see below), whose sum is σ = 457449552. Its totient is φ = 65349888.

The previous prime is 212387209. The next prime is 212387233. The reversal of 212387214 is 412783212.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 1361379 + ... + 1361534.

It is an arithmetic number, because the mean of its divisors is an integer number (28590597).

Almost surely, 2^212387214 is an apocalyptic number.

212387214 is an abundant number, since it is smaller than the sum of its proper divisors (245062338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

212387214 is a wasteful number, since it uses less digits than its factorization.

212387214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722931.

The product of its digits is 5376, while the sum is 30.

The square root of 212387214 is about 14573.5106957795. The cubic root of 212387214 is about 596.6360022248.

The spelling of 212387214 in words is "two hundred twelve million, three hundred eighty-seven thousand, two hundred fourteen".