212400222203 has 16 divisors (see below), whose sum is σ = 230806581600. Its totient is φ = 194295366144.

The previous prime is 212400222191. The next prime is 212400222211. The reversal of 212400222203 is 302222004212.

It is a cyclic number.

It is not a de Polignac number, because 212400222203 - 2²⁸ = 212131786747 is a prime.

It is a super-2 number, since 2×212400222203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212400222283) 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, 712100 + ... + 965342.

It is an arithmetic number, because the mean of its divisors is an integer number (14425411350).

Almost surely, 2^212400222203 is an apocalyptic number.

212400222203 is a deficient number, since it is larger than the sum of its proper divisors (18406359397).

212400222203 is a wasteful number, since it uses less digits than its factorization.

212400222203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253838.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 212400222203 its reverse (302222004212), we get a palindrome (514622226415).

The spelling of 212400222203 in words is "two hundred twelve billion, four hundred million, two hundred twenty-two thousand, two hundred three".