12245580135668 has 24 divisors (see below), whose sum is σ = 23379515447904. Its totient is φ = 5565794280800.

The previous prime is 12245580135661. The next prime is 12245580135703. The reversal of 12245580135668 is 86653108554221.

It is a happy number.

12245580135668 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12245580135661) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8807798 + ... + 10102893.

It is an arithmetic number, because the mean of its divisors is an integer number (974146476996).

Almost surely, 2^{12245580135668} is an apocalyptic number.

It is an amenable number.

12245580135668 is a deficient number, since it is larger than the sum of its proper divisors (11133935312236).

12245580135668 is a wasteful number, since it uses less digits than its factorization.

12245580135668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18925423 (or 18925421 counting only the distinct ones).

The product of its (nonzero) digits is 13824000, while the sum is 56.

Adding to 12245580135668 its reverse (86653108554221), we get a palindrome (98898688689889).

The spelling of 12245580135668 in words is "twelve trillion, two hundred forty-five billion, five hundred eighty million, one hundred thirty-five thousand, six hundred sixty-eight".