212023203 has 16 divisors (see below), whose sum is σ = 326050560. Its totient is φ = 120043296.

The previous prime is 212023199. The next prime is 212023241. The reversal of 212023203 is 302320212.

It is not a de Polignac number, because 212023203 - 2² = 212023199 is a prime.

It is a super-2 number, since 2×212023203² = 89907677220758418, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (212023003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44025 + ... + 48602.

It is an arithmetic number, because the mean of its divisors is an integer number (20378160).

Almost surely, 2^212023203 is an apocalyptic number.

212023203 is a deficient number, since it is larger than the sum of its proper divisors (114027357).

212023203 is a wasteful number, since it uses less digits than its factorization.

212023203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92746.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 212023203 is about 14561.0165510516. The cubic root of 212023203 is about 596.2949486395.

Adding to 212023203 its reverse (302320212), we get a palindrome (514343415).

It can be divided in two parts, 212023 and 203, that added together give a triangular number (212226 = T₆₅₁).

The spelling of 212023203 in words is "two hundred twelve million, twenty-three thousand, two hundred three".