12245580135667 has 4 divisors (see below), whose sum is σ = 12245591388240. Its totient is φ = 12245568883096.

The previous prime is 12245580135661. The next prime is 12245580135703. The reversal of 12245580135667 is 76653108554221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12245580135667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12245580135661) 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 in 3 ways as a sum of consecutive naturals, for example, 3795292 + ... + 6236617.

It is an arithmetic number, because the mean of its divisors is an integer number (3061397847060).

Almost surely, 2^{12245580135667} is an apocalyptic number.

12245580135667 is a deficient number, since it is larger than the sum of its proper divisors (11252573).

12245580135667 is a wasteful number, since it uses less digits than its factorization.

12245580135667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11252572.

The product of its (nonzero) digits is 12096000, while the sum is 55.

Adding to 12245580135667 its reverse (76653108554221), we get a palindrome (88898688689888).

The spelling of 12245580135667 in words is "twelve trillion, two hundred forty-five billion, five hundred eighty million, one hundred thirty-five thousand, six hundred sixty-seven".