212700006 has 20 divisors (see below), whose sum is σ = 476605932. Its totient is φ = 70899948.

The previous prime is 212699983. The next prime is 212700011. The reversal of 212700006 is 600007212.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 656320 + ... + 656643.

Almost surely, 2^212700006 is an apocalyptic number.

212700006 is an abundant number, since it is smaller than the sum of its proper divisors (263905926).

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

212700006 is a wasteful number, since it uses less digits than its factorization.

212700006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1312977 (or 1312968 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 212700006 is about 14584.2382728753. The cubic root of 212700006 is about 596.9287559234.

Adding to 212700006 its reverse (600007212), we get a palindrome (812707218).

The spelling of 212700006 in words is "two hundred twelve million, seven hundred thousand, six".