12099140389697 has 2 divisors, whose sum is σ = 12099140389698. Its totient is φ = 12099140389696.

The previous prime is 12099140389669. The next prime is 12099140389753. The reversal of 12099140389697 is 79698304199021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9375746016256 + 2723394373441 = 3061984^2 + 1650271^2 .

It is a cyclic number.

It is not a de Polignac number, because 12099140389697 - 2¹² = 12099140385601 is a prime.

It is not a weakly prime, because it can be changed into another prime (12099140389667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6049570194848 + 6049570194849.

It is an arithmetic number, because the mean of its divisors is an integer number (6049570194849).

Almost surely, 2^{12099140389697} is an apocalyptic number.

It is an amenable number.

12099140389697 is a deficient number, since it is larger than the sum of its proper divisors (1).

12099140389697 is an equidigital number, since it uses as much as digits as its factorization.

12099140389697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52907904, while the sum is 68.

The spelling of 12099140389697 in words is "twelve trillion, ninety-nine billion, one hundred forty million, three hundred eighty-nine thousand, six hundred ninety-seven".