212021200223 has 16 divisors (see below), whose sum is σ = 242761052160. Its totient is φ = 181394304000.

The previous prime is 212021200207. The next prime is 212021200229. The reversal of 212021200223 is 322002120212.

It is not a de Polignac number, because 212021200223 - 2⁴ = 212021200207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212021200229) 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, 23682398 + ... + 23691348.

It is an arithmetic number, because the mean of its divisors is an integer number (15172565760).

Almost surely, 2^212021200223 is an apocalyptic number.

212021200223 is a deficient number, since it is larger than the sum of its proper divisors (30739851937).

212021200223 is an equidigital number, since it uses as much as digits as its factorization.

212021200223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14878.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 212021200223 its reverse (322002120212), we get a palindrome (534023320435).

The spelling of 212021200223 in words is "two hundred twelve billion, twenty-one million, two hundred thousand, two hundred twenty-three".