12205000097 has 2 divisors, whose sum is σ = 12205000098. Its totient is φ = 12205000096.

The previous prime is 12205000057. The next prime is 12205000099. The reversal of 12205000097 is 79000050221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6102890641 + 6102109456 = 78121^2 + 78116^2 .

It is a cyclic number.

It is not a de Polignac number, because 12205000097 - 2⁶ = 12205000033 is a prime.

Together with 12205000099, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12205000099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6102500048 + 6102500049.

It is an arithmetic number, because the mean of its divisors is an integer number (6102500049).

Almost surely, 2^12205000097 is an apocalyptic number.

It is an amenable number.

12205000097 is a deficient number, since it is larger than the sum of its proper divisors (1).

12205000097 is an equidigital number, since it uses as much as digits as its factorization.

12205000097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1260, while the sum is 26.

The spelling of 12205000097 in words is "twelve billion, two hundred five million, ninety-seven", and thus it is an aban number.