12200121220841 has 2 divisors, whose sum is σ = 12200121220842. Its totient is φ = 12200121220840.

The previous prime is 12200121220811. The next prime is 12200121220883. The reversal of 12200121220841 is 14802212100221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9385430509225 + 2814690711616 = 3063565^2 + 1677704^2 .

It is a cyclic number.

It is not a de Polignac number, because 12200121220841 - 2¹⁴ = 12200121204457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12200121220841.

It is not a weakly prime, because it can be changed into another prime (12200121220811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100060610420 + 6100060610421.

It is an arithmetic number, because the mean of its divisors is an integer number (6100060610421).

Almost surely, 2^{12200121220841} is an apocalyptic number.

It is an amenable number.

12200121220841 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200121220841 is an equidigital number, since it uses as much as digits as its factorization.

12200121220841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1024, while the sum is 26.

The spelling of 12200121220841 in words is "twelve trillion, two hundred billion, one hundred twenty-one million, two hundred twenty thousand, eight hundred forty-one".