12221107519648 has 96 divisors (see below), whose sum is σ = 24573464657280. Its totient is φ = 5981516513280.

The previous prime is 12221107519499. The next prime is 12221107519657. The reversal of 12221107519648 is 84691570112221.

It is an unprimeable number.

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, 1714758261 + ... + 1714765387.

It is an arithmetic number, because the mean of its divisors is an integer number (255973590180).

Almost surely, 2^{12221107519648} is an apocalyptic number.

It is an amenable number.

12221107519648 is an abundant number, since it is smaller than the sum of its proper divisors (12352357137632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12221107519648 is a wasteful number, since it uses less digits than its factorization.

12221107519648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12630 (or 12622 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 49.

The spelling of 12221107519648 in words is "twelve trillion, two hundred twenty-one billion, one hundred seven million, five hundred nineteen thousand, six hundred forty-eight".