210212011112197 has 2 divisors, whose sum is σ = 210212011112198. Its totient is φ = 210212011112196.

The previous prime is 210212011112167. The next prime is 210212011112251. The reversal of 210212011112197 is 791211110212012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 206541564374916 + 3670446737281 = 14371554^2 + 1915841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210212011112197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210212011112107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105106005556098 + 105106005556099.

It is an arithmetic number, because the mean of its divisors is an integer number (105106005556099).

Almost surely, 2^{210212011112197} is an apocalyptic number.

It is an amenable number.

210212011112197 is a deficient number, since it is larger than the sum of its proper divisors (1).

210212011112197 is an equidigital number, since it uses as much as digits as its factorization.

210212011112197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 31.

The spelling of 210212011112197 in words is "two hundred ten trillion, two hundred twelve billion, eleven million, one hundred twelve thousand, one hundred ninety-seven".