212003223 has 8 divisors (see below), whose sum is σ = 284472048. Its totient is φ = 140434944.

The previous prime is 212003219. The next prime is 212003261. The reversal of 212003223 is 322300212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212003223 - 2² = 212003219 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212003423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224586 + ... + 225527.

It is an arithmetic number, because the mean of its divisors is an integer number (35559006).

Almost surely, 2^212003223 is an apocalyptic number.

212003223 is a deficient number, since it is larger than the sum of its proper divisors (72468825).

212003223 is a wasteful number, since it uses less digits than its factorization.

212003223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450273.

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

The square root of 212003223 is about 14560.3304564148. The cubic root of 212003223 is about 596.2762174391.

Adding to 212003223 its reverse (322300212), we get a palindrome (534303435).

It can be divided in two parts, 212003 and 223, that added together give a triangular number (212226 = T₆₅₁).

The spelling of 212003223 in words is "two hundred twelve million, three thousand, two hundred twenty-three".