212012199 has 24 divisors (see below), whose sum is σ = 351280800. Its totient is φ = 120702528.

The previous prime is 212012197. The next prime is 212012209. The reversal of 212012199 is 991210212.

It is not a de Polignac number, because 212012199 - 2¹ = 212012197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212012197) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 11377 + ... + 23525.

It is an arithmetic number, because the mean of its divisors is an integer number (14636700).

Almost surely, 2^212012199 is an apocalyptic number.

212012199 is a deficient number, since it is larger than the sum of its proper divisors (139268601).

212012199 is a wasteful number, since it uses less digits than its factorization.

212012199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12439 (or 12436 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The square root of 212012199 is about 14560.6386879148. The cubic root of 212012199 is about 596.2846325624.

The spelling of 212012199 in words is "two hundred twelve million, twelve thousand, one hundred ninety-nine".