12197876546944 has 32 divisors (see below), whose sum is σ = 26509589657640. Its totient is φ = 5544489338880.

The previous prime is 12197876546939. The next prime is 12197876546963. The reversal of 12197876546944 is 44964567879121.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4331630889 + ... + 4331633704.

Almost surely, 2^{12197876546944} is an apocalyptic number.

It is an amenable number.

12197876546944 is an abundant number, since it is smaller than the sum of its proper divisors (14311713110696).

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

12197876546944 is an equidigital number, since it uses as much as digits as its factorization.

12197876546944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8663264618 (or 8663264606 counting only the distinct ones).

The product of its digits is 731566080, while the sum is 73.

The spelling of 12197876546944 in words is "twelve trillion, one hundred ninety-seven billion, eight hundred seventy-six million, five hundred forty-six thousand, nine hundred forty-four".