12903112908 has 72 divisors (see below), whose sum is σ = 37375866528. Its totient is φ = 3676693248.

The previous prime is 12903112891. The next prime is 12903112909. The reversal of 12903112908 is 80921130921.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12903112909) 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 23 ways as a sum of consecutive naturals, for example, 25360 + ... + 162632.

Almost surely, 2^12903112908 is an apocalyptic number.

12903112908 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 12903112908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18687933264).

12903112908 is an abundant number, since it is smaller than the sum of its proper divisors (24472753620).

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

12903112908 is a wasteful number, since it uses less digits than its factorization.

12903112908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137663 (or 137658 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 36.

The spelling of 12903112908 in words is "twelve billion, nine hundred three million, one hundred twelve thousand, nine hundred eight".