102120012097 has 2 divisors, whose sum is σ = 102120012098. Its totient is φ = 102120012096.

The previous prime is 102120012091. The next prime is 102120012131. The reversal of 102120012097 is 790210021201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 100187442576 + 1932569521 = 316524^2 + 43961^2 .

It is a cyclic number.

It is not a de Polignac number, because 102120012097 - 2³ = 102120012089 is a prime.

It is not a weakly prime, because it can be changed into another prime (102120012091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060006048 + 51060006049.

It is an arithmetic number, because the mean of its divisors is an integer number (51060006049).

Almost surely, 2^102120012097 is an apocalyptic number.

It is an amenable number.

102120012097 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120012097 is an equidigital number, since it uses as much as digits as its factorization.

102120012097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 504, while the sum is 25.

Adding to 102120012097 its reverse (790210021201), we get a palindrome (892330033298).

The spelling of 102120012097 in words is "one hundred two billion, one hundred twenty million, twelve thousand, ninety-seven".