100000012097 has 2 divisors, whose sum is σ = 100000012098. Its totient is φ = 100000012096.

The previous prime is 100000012087. The next prime is 100000012103. The reversal of 100000012097 is 790210000001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79041948736 + 20958063361 = 281144^2 + 144769^2 .

It is an emirp because it is prime and its reverse (790210000001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100000012097 - 2¹⁰ = 100000011073 is a prime.

It is not a weakly prime, because it can be changed into another prime (100000012087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000006048 + 50000006049.

It is an arithmetic number, because the mean of its divisors is an integer number (50000006049).

Almost surely, 2^100000012097 is an apocalyptic number.

It is an amenable number.

100000012097 is a deficient number, since it is larger than the sum of its proper divisors (1).

100000012097 is an equidigital number, since it uses as much as digits as its factorization.

100000012097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

Adding to 100000012097 its reverse (790210000001), we get a palindrome (890210012098).

The spelling of 100000012097 in words is "one hundred billion, twelve thousand, ninety-seven".