12213200202221 has 8 divisors (see below), whose sum is σ = 12234899682720. Its totient is φ = 12191516410608.

The previous prime is 12213200202209. The next prime is 12213200202233. The reversal of 12213200202221 is 12220200231221.

It is an interprime number because it is at equal distance from previous prime (12213200202209) and next prime (12213200202233).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12213200202221 - 2³⁴ = 12196020333037 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12213200202193 and 12213200202202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12213200202251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2363366 + ... + 5478311.

It is an arithmetic number, because the mean of its divisors is an integer number (1529362460340).

Almost surely, 2^{12213200202221} is an apocalyptic number.

It is an amenable number.

12213200202221 is a deficient number, since it is larger than the sum of its proper divisors (21699480499).

12213200202221 is an equidigital number, since it uses as much as digits as its factorization.

12213200202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7844443.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 12213200202221 its reverse (12220200231221), we get a palindrome (24433400433442).

The spelling of 12213200202221 in words is "twelve trillion, two hundred thirteen billion, two hundred million, two hundred two thousand, two hundred twenty-one".