12122200121201 has 4 divisors (see below), whose sum is σ = 12122685675072. Its totient is φ = 12121714567332.

The previous prime is 12122200121173. The next prime is 12122200121219. The reversal of 12122200121201 is 10212100222121.

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 a de Polignac number, because none of the positive numbers 2^k-12122200121201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12122200121201.

It is not an unprimeable number, because it can be changed into a prime (12122200121401) 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, 242739485 + ... + 242789418.

It is an arithmetic number, because the mean of its divisors is an integer number (3030671418768).

Almost surely, 2^{12122200121201} is an apocalyptic number.

It is an amenable number.

12122200121201 is a deficient number, since it is larger than the sum of its proper divisors (485553871).

12122200121201 is an equidigital number, since it uses as much as digits as its factorization.

12122200121201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485553870.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 12122200121201 its reverse (10212100222121), we get a palindrome (22334300343322).

The spelling of 12122200121201 in words is "twelve trillion, one hundred twenty-two billion, two hundred million, one hundred twenty-one thousand, two hundred one".