206973212 has 12 divisors (see below), whose sum is σ = 362573400. Its totient is φ = 103380816.

The previous prime is 206973211. The next prime is 206973241. The reversal of 206973212 is 212379602.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206973211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21962 + ... + 29937.

It is an arithmetic number, because the mean of its divisors is an integer number (30214450).

Almost surely, 2^206973212 is an apocalyptic number.

It is an amenable number.

206973212 is a deficient number, since it is larger than the sum of its proper divisors (155600188).

206973212 is a wasteful number, since it uses less digits than its factorization.

206973212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52900 (or 52898 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 206973212 is about 14386.5635924636. The cubic root of 206973212 is about 591.5226513292.

The spelling of 206973212 in words is "two hundred six million, nine hundred seventy-three thousand, two hundred twelve".