97912010201 has 2 divisors, whose sum is σ = 97912010202. Its totient is φ = 97912010200.

The previous prime is 97912010191. The next prime is 97912010219. The reversal of 97912010201 is 10201021979.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 87674617801 + 10237392400 = 296099^2 + 101180^2 .

It is an emirp because it is prime and its reverse (10201021979) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-97912010201 is a prime.

It is not a weakly prime, because it can be changed into another prime (97912010401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48956005100 + 48956005101.

It is an arithmetic number, because the mean of its divisors is an integer number (48956005101).

Almost surely, 2^97912010201 is an apocalyptic number.

It is an amenable number.

97912010201 is a deficient number, since it is larger than the sum of its proper divisors (1).

97912010201 is an equidigital number, since it uses as much as digits as its factorization.

97912010201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 32.

The spelling of 97912010201 in words is "ninety-seven billion, nine hundred twelve million, ten thousand, two hundred one".