12245554617 has 16 divisors (see below), whose sum is σ = 16628185728. Its totient is φ = 8013847680.

The previous prime is 12245554603. The next prime is 12245554619. The reversal of 12245554617 is 71645554221.

It is not a de Polignac number, because 12245554617 - 2¹¹ = 12245552569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12245554619) 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 15 ways as a sum of consecutive naturals, for example, 25533 + ... + 158565.

It is an arithmetic number, because the mean of its divisors is an integer number (1039261608).

Almost surely, 2^12245554617 is an apocalyptic number.

It is an amenable number.

12245554617 is a deficient number, since it is larger than the sum of its proper divisors (4382631111).

12245554617 is a wasteful number, since it uses less digits than its factorization.

12245554617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133600.

The product of its digits is 336000, while the sum is 42.

The spelling of 12245554617 in words is "twelve billion, two hundred forty-five million, five hundred fifty-four thousand, six hundred seventeen".