12196491680 has 48 divisors (see below), whose sum is σ = 28820832264. Its totient is φ = 4877475840.

The previous prime is 12196491649. The next prime is 12196491721. The reversal of 12196491680 is 8619469121.

It can be written as a sum of positive squares in 4 ways, for example, as 9943280656 + 2253211024 = 99716^2 + 47468^2 .

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 7 ways as a sum of consecutive naturals, for example, 1288244 + ... + 1297676.

Almost surely, 2^12196491680 is an apocalyptic number.

12196491680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12196491680 is an abundant number, since it is smaller than the sum of its proper divisors (16624340584).

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

12196491680 is an equidigital number, since it uses as much as digits as its factorization.

12196491680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17529 (or 17521 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 47.

The spelling of 12196491680 in words is "twelve billion, one hundred ninety-six million, four hundred ninety-one thousand, six hundred eighty".