12130767997 has 2 divisors, whose sum is σ = 12130767998. Its totient is φ = 12130767996.

The previous prime is 12130767923. The next prime is 12130768021. The reversal of 12130767997 is 79976703121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11964203161 + 166564836 = 109381^2 + 12906^2 .

It is a cyclic number.

It is not a de Polignac number, because 12130767997 - 2¹⁵ = 12130735229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12130767097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6065383998 + 6065383999.

It is an arithmetic number, because the mean of its divisors is an integer number (6065383999).

Almost surely, 2^12130767997 is an apocalyptic number.

It is an amenable number.

12130767997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12130767997 is an equidigital number, since it uses as much as digits as its factorization.

12130767997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1000188, while the sum is 52.

The spelling of 12130767997 in words is "twelve billion, one hundred thirty million, seven hundred sixty-seven thousand, nine hundred ninety-seven".