212256203 has 4 divisors (see below), whose sum is σ = 224741880. Its totient is φ = 199770528.

The previous prime is 212256179. The next prime is 212256223. The reversal of 212256203 is 302652212.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212256203 - 2⁸ = 212255947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212256223) 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, 6242813 + ... + 6242846.

It is an arithmetic number, because the mean of its divisors is an integer number (56185470).

Almost surely, 2^212256203 is an apocalyptic number.

212256203 is a deficient number, since it is larger than the sum of its proper divisors (12485677).

212256203 is a wasteful number, since it uses less digits than its factorization.

212256203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12485676.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 212256203 is about 14569.0151691870. The cubic root of 212256203 is about 596.5132987350.

The spelling of 212256203 in words is "two hundred twelve million, two hundred fifty-six thousand, two hundred three".