12342656165399 has 12 divisors (see below), whose sum is σ = 14357949433128. Its totient is φ = 10579297453200.

The previous prime is 12342656165383. The next prime is 12342656165407. The reversal of 12342656165399 is 99356165624321.

It is not a de Polignac number, because 12342656165399 - 2⁴ = 12342656165383 is a prime.

It is a super-2 number, since 2×12342656165399² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12342656165309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2970584 + ... + 5788754.

It is an arithmetic number, because the mean of its divisors is an integer number (1196495786094).

Almost surely, 2^{12342656165399} is an apocalyptic number.

12342656165399 is a deficient number, since it is larger than the sum of its proper divisors (2015293267729).

12342656165399 is an equidigital number, since it uses as much as digits as its factorization.

12342656165399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2907566 (or 2907559 counting only the distinct ones).

The product of its digits is 62985600, while the sum is 62.

The spelling of 12342656165399 in words is "twelve trillion, three hundred forty-two billion, six hundred fifty-six million, one hundred sixty-five thousand, three hundred ninety-nine".