12200100002021 has 2 divisors, whose sum is σ = 12200100002022. Its totient is φ = 12200100002020.

The previous prime is 12200100002011. The next prime is 12200100002059. The reversal of 12200100002021 is 12020000100221.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8781443222500 + 3418656779521 = 2963350^2 + 1848961^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12200100002021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12200100001993 and 12200100002011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12200100002011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6100050001010 + 6100050001011.

It is an arithmetic number, because the mean of its divisors is an integer number (6100050001011).

Almost surely, 2^{12200100002021} is an apocalyptic number.

It is an amenable number.

12200100002021 is a deficient number, since it is larger than the sum of its proper divisors (1).

12200100002021 is an equidigital number, since it uses as much as digits as its factorization.

12200100002021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 12200100002021 its reverse (12020000100221), we get a palindrome (24220100102242).

The spelling of 12200100002021 in words is "twelve trillion, two hundred billion, one hundred million, two thousand, twenty-one".