12130020197 has 2 divisors, whose sum is σ = 12130020198. Its totient is φ = 12130020196.

The previous prime is 12130020181. The next prime is 12130020241. The reversal of 12130020197 is 79102003121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11980178116 + 149842081 = 109454^2 + 12241^2 .

It is a cyclic number.

It is not a de Polignac number, because 12130020197 - 2⁴ = 12130020181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12130020127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065010098 + 6065010099.

It is an arithmetic number, because the mean of its divisors is an integer number (6065010099).

Almost surely, 2^12130020197 is an apocalyptic number.

It is an amenable number.

12130020197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12130020197 is an equidigital number, since it uses as much as digits as its factorization.

12130020197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 756, while the sum is 26.

The spelling of 12130020197 in words is "twelve billion, one hundred thirty million, twenty thousand, one hundred ninety-seven".