12002109504 has 448 divisors, whose sum is σ = 42247913472. Its totient is φ = 2914560000.

The previous prime is 12002109503. The next prime is 12002109533. The reversal of 12002109504 is 40590120021.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (12002109503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15981129 + ... + 15981879.

Almost surely, 2^12002109504 is an apocalyptic number.

12002109504 is a gapful number since it is divisible by the number (14) 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 12002109504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21123956736).

12002109504 is an abundant number, since it is smaller than the sum of its proper divisors (30245803968).

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

12002109504 is a wasteful number, since it uses less digits than its factorization.

12002109504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 12002109504 its reverse (40590120021), we get a palindrome (52592229525).

The spelling of 12002109504 in words is "twelve billion, two million, one hundred nine thousand, five hundred four".