12196869408 has 96 divisors (see below), whose sum is σ = 36024710400. Its totient is φ = 4014137088.

The previous prime is 12196869359. The next prime is 12196869413. The reversal of 12196869408 is 80496869121.

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

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 21091 + ... + 157602.

It is an arithmetic number, because the mean of its divisors is an integer number (375257400).

Almost surely, 2^12196869408 is an apocalyptic number.

12196869408 is a gapful number since it is divisible by the number (18) 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 12196869408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18012355200).

12196869408 is an abundant number, since it is smaller than the sum of its proper divisors (23827840992).

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

12196869408 is a wasteful number, since it uses less digits than its factorization.

12196869408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178791 (or 178777 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 54.

The spelling of 12196869408 in words is "twelve billion, one hundred ninety-six million, eight hundred sixty-nine thousand, four hundred eight".