12340101997 has 2 divisors, whose sum is σ = 12340101998. Its totient is φ = 12340101996.

The previous prime is 12340101973. The next prime is 12340102043. The reversal of 12340101997 is 79910104321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12340099396 + 2601 = 111086^2 + 51^2 .

It is a cyclic number.

It is not a de Polignac number, because 12340101997 - 2¹⁹ = 12339577709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12340141997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6170050998 + 6170050999.

It is an arithmetic number, because the mean of its divisors is an integer number (6170050999).

Almost surely, 2^12340101997 is an apocalyptic number.

It is an amenable number.

12340101997 is a deficient number, since it is larger than the sum of its proper divisors (1).

12340101997 is an equidigital number, since it uses as much as digits as its factorization.

12340101997 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13608, while the sum is 37.

The spelling of 12340101997 in words is "twelve billion, three hundred forty million, one hundred one thousand, nine hundred ninety-seven".