12198865047490 has 64 divisors (see below), whose sum is σ = 24350109788160. Its totient is φ = 4363144192000.

The previous prime is 12198865047403. The next prime is 12198865047497. The reversal of 12198865047490 is 9474056889121.

It is not an unprimeable number, because it can be changed into a prime (12198865047497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1392031 + ... + 5131810.

It is an arithmetic number, because the mean of its divisors is an integer number (380470465440).

Almost surely, 2^{12198865047490} is an apocalyptic number.

12198865047490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12198865047490 is a deficient number, since it is larger than the sum of its proper divisors (12151244740670).

12198865047490 is a wasteful number, since it uses less digits than its factorization.

12198865047490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6524139.

The product of its (nonzero) digits is 34836480, while the sum is 64.

The spelling of 12198865047490 in words is "twelve trillion, one hundred ninety-eight billion, eight hundred sixty-five million, forty-seven thousand, four hundred ninety".