212001102223 has 4 divisors (see below), whose sum is σ = 218839847488. Its totient is φ = 205162356960.

The previous prime is 212001102133. The next prime is 212001102227. The reversal of 212001102223 is 322201100212.

It is a happy number.

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 212001102223 - 2³⁷ = 74562148751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212001102197 and 212001102206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001102227) 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, 3419372586 + ... + 3419372647.

It is an arithmetic number, because the mean of its divisors is an integer number (54709961872).

Almost surely, 2^212001102223 is an apocalyptic number.

212001102223 is a deficient number, since it is larger than the sum of its proper divisors (6838745265).

212001102223 is an equidigital number, since it uses as much as digits as its factorization.

212001102223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6838745264.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 212001102223 its reverse (322201100212), we get a palindrome (534202202435).

The spelling of 212001102223 in words is "two hundred twelve billion, one million, one hundred two thousand, two hundred twenty-three".