2003123130312 has 32 divisors (see below), whose sum is σ = 5021757172800. Its totient is φ = 665847797184.

The previous prime is 2003123130311. The next prime is 2003123130347. The reversal of 2003123130312 is 2130313213002.

It is not an unprimeable number, because it can be changed into a prime (2003123130311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116235763 + ... + 116252994.

It is an arithmetic number, because the mean of its divisors is an integer number (156929911650).

Almost surely, 2^{2003123130312} is an apocalyptic number.

It is an amenable number.

2003123130312 is an abundant number, since it is smaller than the sum of its proper divisors (3018634042488).

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

2003123130312 is a wasteful number, since it uses less digits than its factorization.

2003123130312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232489125 (or 232489121 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2003123130312 its reverse (2130313213002), we get a palindrome (4133436343314).

The spelling of 2003123130312 in words is "two trillion, three billion, one hundred twenty-three million, one hundred thirty thousand, three hundred twelve".