212202021002223 has 16 divisors (see below), whose sum is σ = 323356304487680. Its totient is φ = 121257981248256.

The previous prime is 212202021002221. The next prime is 212202021002273. The reversal of 212202021002223 is 322200120202212.

It is not a de Polignac number, because 212202021002223 - 2¹ = 212202021002221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

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 212202021002223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212202021002221) 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, 4824853 + ... + 21158526.

It is an arithmetic number, because the mean of its divisors is an integer number (20209769030480).

Almost surely, 2^{212202021002223} is an apocalyptic number.

212202021002223 is a deficient number, since it is larger than the sum of its proper divisors (111154283485457).

212202021002223 is a wasteful number, since it uses less digits than its factorization.

212202021002223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26372286.

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

Adding to 212202021002223 its reverse (322200120202212), we get a palindrome (534402141204435).

The spelling of 212202021002223 in words is "two hundred twelve trillion, two hundred two billion, twenty-one million, two thousand, two hundred twenty-three".