12321296929 has 2 divisors, whose sum is σ = 12321296930. Its totient is φ = 12321296928.

The previous prime is 12321296893. The next prime is 12321296957. The reversal of 12321296929 is 92969212321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8533140625 + 3788156304 = 92375^2 + 61548^2 .

It is a cyclic number.

It is not a de Polignac number, because 12321296929 - 2²¹ = 12319199777 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (12321296959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6160648464 + 6160648465.

It is an arithmetic number, because the mean of its divisors is an integer number (6160648465).

Almost surely, 2^12321296929 is an apocalyptic number.

It is an amenable number.

12321296929 is a deficient number, since it is larger than the sum of its proper divisors (1).

12321296929 is an equidigital number, since it uses as much as digits as its factorization.

12321296929 is an evil number, because the sum of its binary digits is even.

The product of its digits is 209952, while the sum is 46.

The spelling of 12321296929 in words is "twelve billion, three hundred twenty-one million, two hundred ninety-six thousand, nine hundred twenty-nine".