10212010020197 has 2 divisors, whose sum is σ = 10212010020198. Its totient is φ = 10212010020196.

The previous prime is 10212010020167. The next prime is 10212010020257. The reversal of 10212010020197 is 79102001021201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8985761635876 + 1226248384321 = 2997626^2 + 1107361^2 .

It is a cyclic number.

It is not a de Polignac number, because 10212010020197 - 2³⁰ = 10210936278373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10212010020127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106005010098 + 5106005010099.

It is an arithmetic number, because the mean of its divisors is an integer number (5106005010099).

Almost surely, 2^{10212010020197} is an apocalyptic number.

It is an amenable number.

10212010020197 is a deficient number, since it is larger than the sum of its proper divisors (1).

10212010020197 is an equidigital number, since it uses as much as digits as its factorization.

10212010020197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 26.

Adding to 10212010020197 its reverse (79102001021201), we get a palindrome (89314011041398).

The spelling of 10212010020197 in words is "ten trillion, two hundred twelve billion, ten million, twenty thousand, one hundred ninety-seven".