212101300097 has 4 divisors (see below), whose sum is σ = 213011606340. Its totient is φ = 211190993856.

The previous prime is 212101300067. The next prime is 212101300109. The reversal of 212101300097 is 790003101212.

212101300097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12228821056 + 199872479041 = 110584^2 + 447071^2 .

It is a cyclic number.

It is not a de Polignac number, because 212101300097 - 2²⁰ = 212100251521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212101300067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455152772 + ... + 455153237.

It is an arithmetic number, because the mean of its divisors is an integer number (53252901585).

Almost surely, 2^212101300097 is an apocalyptic number.

It is an amenable number.

212101300097 is a deficient number, since it is larger than the sum of its proper divisors (910306243).

212101300097 is an equidigital number, since it uses as much as digits as its factorization.

212101300097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910306242.

The product of its (nonzero) digits is 756, while the sum is 26.

The spelling of 212101300097 in words is "two hundred twelve billion, one hundred one million, three hundred thousand, ninety-seven".