12346670843057 has 2 divisors, whose sum is σ = 12346670843058. Its totient is φ = 12346670843056.

The previous prime is 12346670842813. The next prime is 12346670843069. The reversal of 12346670843057 is 75034807664321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11207490322081 + 1139180520976 = 3347759^2 + 1067324^2 .

It is a cyclic number.

It is not a de Polignac number, because 12346670843057 - 2²⁴ = 12346654065841 is a prime.

It is a super-2 number, since 2×12346670843057² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12346670842993 and 12346670843011.

It is not a weakly prime, because it can be changed into another prime (12346670843257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6173335421528 + 6173335421529.

It is an arithmetic number, because the mean of its divisors is an integer number (6173335421529).

Almost surely, 2^{12346670843057} is an apocalyptic number.

It is an amenable number.

12346670843057 is a deficient number, since it is larger than the sum of its proper divisors (1).

12346670843057 is an equidigital number, since it uses as much as digits as its factorization.

12346670843057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 56.

The spelling of 12346670843057 in words is "twelve trillion, three hundred forty-six billion, six hundred seventy million, eight hundred forty-three thousand, fifty-seven".