12197324929 has 2 divisors, whose sum is σ = 12197324930. Its totient is φ = 12197324928.

The previous prime is 12197324863. The next prime is 12197324941. The reversal of 12197324929 is 92942379121.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11991345025 + 205979904 = 109505^2 + 14352^2 .

It is a cyclic number.

It is not a de Polignac number, because 12197324929 - 2⁷ = 12197324801 is a prime.

It is not a weakly prime, because it can be changed into another prime (12197324969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6098662464 + 6098662465.

It is an arithmetic number, because the mean of its divisors is an integer number (6098662465).

Almost surely, 2^12197324929 is an apocalyptic number.

It is an amenable number.

12197324929 is a deficient number, since it is larger than the sum of its proper divisors (1).

12197324929 is an equidigital number, since it uses as much as digits as its factorization.

12197324929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 49.

The spelling of 12197324929 in words is "twelve billion, one hundred ninety-seven million, three hundred twenty-four thousand, nine hundred twenty-nine".