12199744209696 has 96 divisors (see below), whose sum is σ = 32288466043008. Its totient is φ = 4033096058880.

The previous prime is 12199744209637. The next prime is 12199744209727. The reversal of 12199744209696 is 69690244799121.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×12199744209696² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12199744209696.

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, 13544266 + ... + 14416886.

It is an arithmetic number, because the mean of its divisors is an integer number (336338187948).

Almost surely, 2^{12199744209696} is an apocalyptic number.

12199744209696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12199744209696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16144233021504).

12199744209696 is an abundant number, since it is smaller than the sum of its proper divisors (20088721833312).

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

12199744209696 is a wasteful number, since it uses less digits than its factorization.

12199744209696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 873834 (or 873826 counting only the distinct ones).

The product of its (nonzero) digits is 105815808, while the sum is 69.

The spelling of 12199744209696 in words is "twelve trillion, one hundred ninety-nine billion, seven hundred forty-four million, two hundred nine thousand, six hundred ninety-six".