212212203 has 24 divisors (see below), whose sum is σ = 329058048. Its totient is φ = 119167728.

The previous prime is 212212201. The next prime is 212212213. The reversal of 212212203 is 302212212.

It is a happy number.

It is not a de Polignac number, because 212212203 - 2¹ = 212212201 is a prime.

It is a super-2 number, since 2×212212203² = 90068038204226418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212212201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71650 + ... + 74552.

It is an arithmetic number, because the mean of its divisors is an integer number (13710752).

Almost surely, 2^212212203 is an apocalyptic number.

212212203 is a deficient number, since it is larger than the sum of its proper divisors (116845845).

212212203 is an equidigital number, since it uses as much as digits as its factorization.

212212203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3031 (or 2972 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 212212203 is about 14567.5050368963. The cubic root of 212212203 is about 596.4720774836.

Adding to 212212203 its reverse (302212212), we get a palindrome (514424415).

Subtracting 212212203 from its reverse (302212212), we obtain a palindrome (90000009).

The spelling of 212212203 in words is "two hundred twelve million, two hundred twelve thousand, two hundred three".