2003103122312 has 32 divisors (see below), whose sum is σ = 3877278862080. Its totient is φ = 969167177280.

The previous prime is 2003103122203. The next prime is 2003103122329. The reversal of 2003103122312 is 2132213013002.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2906003 + ... + 3528605.

It is an arithmetic number, because the mean of its divisors is an integer number (121164964440).

Almost surely, 2^{2003103122312} is an apocalyptic number.

It is an amenable number.

2003103122312 is a deficient number, since it is larger than the sum of its proper divisors (1874175739768).

2003103122312 is a wasteful number, since it uses less digits than its factorization.

2003103122312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635613 (or 635609 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 2003103122312 its reverse (2132213013002), we get a palindrome (4135316135314).

The spelling of 2003103122312 in words is "two trillion, three billion, one hundred three million, one hundred twenty-two thousand, three hundred twelve".