12289019904 has 156 divisors (see below), whose sum is σ = 40569171136. Its totient is φ = 3511074816.

The previous prime is 12289019893. The next prime is 12289019917. The reversal of 12289019904 is 40991098221.

It is a self number, because there is not a number n which added to its sum of digits gives 12289019904.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 234237 + ... + 281859.

Almost surely, 2^12289019904 is an apocalyptic number.

12289019904 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 12289019904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20284585568).

12289019904 is an abundant number, since it is smaller than the sum of its proper divisors (28280151232).

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

12289019904 is an equidigital number, since it uses as much as digits as its factorization.

12289019904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47660 (or 47635 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 12289019904 in words is "twelve billion, two hundred eighty-nine million, nineteen thousand, nine hundred four".