12200002010221 has 4 divisors (see below), whose sum is σ = 12842107379200. Its totient is φ = 11557896641244.

The previous prime is 12200002010213. The next prime is 12200002010227. The reversal of 12200002010221 is 12201020000221.

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.

It is a cyclic number.

It is not a de Polignac number, because 12200002010221 - 2³ = 12200002010213 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 (12200002010227) 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, 321052684461 + ... + 321052684498.

It is an arithmetic number, because the mean of its divisors is an integer number (3210526844800).

Almost surely, 2^{12200002010221} is an apocalyptic number.

It is an amenable number.

12200002010221 is a deficient number, since it is larger than the sum of its proper divisors (642105368979).

12200002010221 is an equidigital number, since it uses as much as digits as its factorization.

12200002010221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642105368978.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12200002010221 its reverse (12201020000221), we get a palindrome (24401022010442).

The spelling of 12200002010221 in words is "twelve trillion, two hundred billion, two million, ten thousand, two hundred twenty-one".