212000100223 has 4 divisors (see below), whose sum is σ = 216000102168. Its totient is φ = 208000098280.

The previous prime is 212000100211. The next prime is 212000100229. The reversal of 212000100223 is 322001000212.

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

It is a cyclic number.

It is not a de Polignac number, because 212000100223 - 2¹⁷ = 211999969151 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 (212000100229) 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, 2000000893 + ... + 2000000998.

It is an arithmetic number, because the mean of its divisors is an integer number (54000025542).

Almost surely, 2^212000100223 is an apocalyptic number.

212000100223 is a deficient number, since it is larger than the sum of its proper divisors (4000001945).

212000100223 is an equidigital number, since it uses as much as digits as its factorization.

212000100223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4000001944.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 212000100223 its reverse (322001000212), we get a palindrome (534001100435).

The spelling of 212000100223 in words is "two hundred twelve billion, one hundred thousand, two hundred twenty-three".