12099973104 has 120 divisors (see below), whose sum is σ = 35429367792. Its totient is φ = 3997486080.

The previous prime is 12099973099. The next prime is 12099973141. The reversal of 12099973104 is 40137999021.

It is a self number, because there is not a number n which added to its sum of digits gives 12099973104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 425574 + ... + 453114.

Almost surely, 2^12099973104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12099973104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17714683896).

12099973104 is an abundant number, since it is smaller than the sum of its proper divisors (23329394688).

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

12099973104 is a wasteful number, since it uses less digits than its factorization.

12099973104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27677 (or 27659 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 12099973104 in words is "twelve billion, ninety-nine million, nine hundred seventy-three thousand, one hundred four".