12729990967 has 2 divisors, whose sum is σ = 12729990968. Its totient is φ = 12729990966.

The previous prime is 12729990929. The next prime is 12729991009. The reversal of 12729990967 is 76909992721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12729990967 - 2³¹ = 10582507319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12729999967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6364995483 + 6364995484.

It is an arithmetic number, because the mean of its divisors is an integer number (6364995484).

Almost surely, 2^12729990967 is an apocalyptic number.

12729990967 is a deficient number, since it is larger than the sum of its proper divisors (1).

12729990967 is an equidigital number, since it uses as much as digits as its factorization.

12729990967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7715736, while the sum is 61.

The spelling of 12729990967 in words is "twelve billion, seven hundred twenty-nine million, nine hundred ninety thousand, nine hundred sixty-seven".