12201221222201 has 8 divisors (see below), whose sum is σ = 13398571651008. Its totient is φ = 11018562210000.

The previous prime is 12201221222167. The next prime is 12201221222233. The reversal of 12201221222201 is 10222212210221.

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 12201221222201 - 2¹⁰ = 12201221221177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12201221222251) 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, 3672852410 + ... + 3672855731.

It is an arithmetic number, because the mean of its divisors is an integer number (1674821456376).

Almost surely, 2^{12201221222201} is an apocalyptic number.

12201221222201 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12201221222201 is a deficient number, since it is larger than the sum of its proper divisors (1197350428807).

12201221222201 is a wasteful number, since it uses less digits than its factorization.

12201221222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7345708303.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 12201221222201 its reverse (10222212210221), we get a palindrome (22423433432422).

The spelling of 12201221222201 in words is "twelve trillion, two hundred one billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred one".