12210200030221 has 4 divisors (see below), whose sum is σ = 12210207566272. Its totient is φ = 12210192494172.

The previous prime is 12210200030201. The next prime is 12210200030239. The reversal of 12210200030221 is 12203000201221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12210200030221 - 2¹³ = 12210200022029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210200030195 and 12210200030204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210200030201) 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, 230835 + ... + 4947088.

It is an arithmetic number, because the mean of its divisors is an integer number (3052551891568).

Almost surely, 2^{12210200030221} is an apocalyptic number.

It is an amenable number.

12210200030221 is a deficient number, since it is larger than the sum of its proper divisors (7536051).

12210200030221 is an equidigital number, since it uses as much as digits as its factorization.

12210200030221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7536050.

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

Adding to 12210200030221 its reverse (12203000201221), we get a palindrome (24413200231442).

The spelling of 12210200030221 in words is "twelve trillion, two hundred ten billion, two hundred million, thirty thousand, two hundred twenty-one".