12321297071 has 2 divisors, whose sum is σ = 12321297072. Its totient is φ = 12321297070.

The previous prime is 12321297031. The next prime is 12321297113. The reversal of 12321297071 is 17079212321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12321297071 - 2⁶ = 12321297007 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12321297011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160648535 + 6160648536.

It is an arithmetic number, because the mean of its divisors is an integer number (6160648536).

Almost surely, 2^12321297071 is an apocalyptic number.

12321297071 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321297071 is an equidigital number, since it uses as much as digits as its factorization.

12321297071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 35.

The spelling of 12321297071 in words is "twelve billion, three hundred twenty-one million, two hundred ninety-seven thousand, seventy-one".