212122222203 has 8 divisors (see below), whose sum is σ = 283003471168. Its totient is φ = 141327894024.

The previous prime is 212122222183. The next prime is 212122222231. The reversal of 212122222203 is 302222221212.

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

It is not a de Polignac number, because 212122222203 - 2⁹ = 212122221691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 212122222203.

It is not an unprimeable number, because it can be changed into a prime (212122222603) 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, 21724501 + ... + 21734262.

It is an arithmetic number, because the mean of its divisors is an integer number (35375433896).

Almost surely, 2^212122222203 is an apocalyptic number.

212122222203 is a deficient number, since it is larger than the sum of its proper divisors (70881248965).

212122222203 is a wasteful number, since it uses less digits than its factorization.

212122222203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43460393.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 212122222203 its reverse (302222221212), we get a palindrome (514344443415).

Subtracting 212122222203 from its reverse (302222221212), we obtain a palindrome (90099999009).

The spelling of 212122222203 in words is "two hundred twelve billion, one hundred twenty-two million, two hundred twenty-two thousand, two hundred three".