212030222223 has 4 divisors (see below), whose sum is σ = 282706962968. Its totient is φ = 141353481480.

The previous prime is 212030222213. The next prime is 212030222251. The reversal of 212030222223 is 322222030212.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-212030222223 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 212030222223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212030222213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35338370368 + ... + 35338370373.

It is an arithmetic number, because the mean of its divisors is an integer number (70676740742).

Almost surely, 2^212030222223 is an apocalyptic number.

212030222223 is a deficient number, since it is larger than the sum of its proper divisors (70676740745).

212030222223 is an equidigital number, since it uses as much as digits as its factorization.

212030222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70676740744.

The product of its (nonzero) digits is 1152, while the sum is 21.

Adding to 212030222223 its reverse (322222030212), we get a palindrome (534252252435).

The spelling of 212030222223 in words is "two hundred twelve billion, thirty million, two hundred twenty-two thousand, two hundred twenty-three".