12103220122201 has 16 divisors (see below), whose sum is σ = 13818956401600. Its totient is φ = 10508047195968.

The previous prime is 12103220122193. The next prime is 12103220122207. The reversal of 12103220122201 is 10222102230121.

It is a cyclic number.

It is not a de Polignac number, because 12103220122201 - 2³ = 12103220122193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12103220122207) 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, 176227866 + ... + 176296531.

It is an arithmetic number, because the mean of its divisors is an integer number (863684775100).

Almost surely, 2^{12103220122201} is an apocalyptic number.

It is an amenable number.

12103220122201 is a deficient number, since it is larger than the sum of its proper divisors (1715736279399).

12103220122201 is a wasteful number, since it uses less digits than its factorization.

12103220122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352524568.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12103220122201 its reverse (10222102230121), we get a palindrome (22325322352322).

The spelling of 12103220122201 in words is "twelve trillion, one hundred three billion, two hundred twenty million, one hundred twenty-two thousand, two hundred one".