212947206 has 16 divisors (see below), whose sum is σ = 426316800. Its totient is φ = 70912008.

The previous prime is 212947201. The next prime is 212947243. The reversal of 212947206 is 602749212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212947201) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10846 + ... + 23313.

It is an arithmetic number, because the mean of its divisors is an integer number (26644800).

Almost surely, 2^212947206 is an apocalyptic number.

212947206 is an abundant number, since it is smaller than the sum of its proper divisors (213369594).

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

212947206 is a wasteful number, since it uses less digits than its factorization.

212947206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35203.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 212947206 is about 14592.7107145999. The cubic root of 212947206 is about 597.1599166445.

The spelling of 212947206 in words is "two hundred twelve million, nine hundred forty-seven thousand, two hundred six".