2102903712 has 144 divisors (see below), whose sum is σ = 7360254720. Its totient is φ = 554605056.

The previous prime is 2102903707. The next prime is 2102903713. The reversal of 2102903712 is 2173092012.

2102903712 is a `hidden beast` number, since 2 + 1 + 0 + 290 + 371 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (2102903713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13912 + ... + 66327.

It is an arithmetic number, because the mean of its divisors is an integer number (51112880).

Almost surely, 2^2102903712 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 2102903712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3680127360).

2102903712 is an abundant number, since it is smaller than the sum of its proper divisors (5257351008).

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

2102903712 is a wasteful number, since it uses less digits than its factorization.

2102903712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80275 (or 80264 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 2102903712 is about 45857.4281005815. The cubic root of 2102903712 is about 1281.1691206308.

Adding to 2102903712 its reverse (2173092012), we get a palindrome (4275995724).

The spelling of 2102903712 in words is "two billion, one hundred two million, nine hundred three thousand, seven hundred twelve".