1230366126217 has 4 divisors (see below), whose sum is σ = 1230524829460. Its totient is φ = 1230207422976.

The previous prime is 1230366126203. The next prime is 1230366126229. The reversal of 1230366126217 is 7126216630321.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 792418652041 + 437947474176 = 890179^2 + 661776^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230366126217 - 2³⁹ = 680610312329 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1230366126217.

It is not an unprimeable number, because it can be changed into a prime (1230366126257) 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 in 3 ways as a sum of consecutive naturals, for example, 79339992 + ... + 79355497.

It is an arithmetic number, because the mean of its divisors is an integer number (307631207365).

Almost surely, 2^{1230366126217} is an apocalyptic number.

It is an amenable number.

1230366126217 is a deficient number, since it is larger than the sum of its proper divisors (158703243).

1230366126217 is an equidigital number, since it uses as much as digits as its factorization.

1230366126217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158703242.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 1230366126217 in words is "one trillion, two hundred thirty billion, three hundred sixty-six million, one hundred twenty-six thousand, two hundred seventeen".