9912003197 has 2 divisors, whose sum is σ = 9912003198. Its totient is φ = 9912003196.

The previous prime is 9912003191. The next prime is 9912003217. The reversal of 9912003197 is 7913002199.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9854334361 + 57668836 = 99269^2 + 7594^2 .

It is a cyclic number.

It is not a de Polignac number, because 9912003197 - 2⁶ = 9912003133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9912003191) 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 as a sum of consecutive naturals, namely, 4956001598 + 4956001599.

It is an arithmetic number, because the mean of its divisors is an integer number (4956001599).

Almost surely, 2^9912003197 is an apocalyptic number.

It is an amenable number.

9912003197 is a deficient number, since it is larger than the sum of its proper divisors (1).

9912003197 is an equidigital number, since it uses as much as digits as its factorization.

9912003197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 9912003197 is about 99559.0437730295. The cubic root of 9912003197 is about 2148.0966170113.

The spelling of 9912003197 in words is "nine billion, nine hundred twelve million, three thousand, one hundred ninety-seven".