2003123330012 has 48 divisors (see below), whose sum is σ = 4058459354880. Its totient is φ = 847327274112.

The previous prime is 2003123329981. The next prime is 2003123330107. The reversal of 2003123330012 is 2100333213002.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 689123 + ... + 2116869.

It is an arithmetic number, because the mean of its divisors is an integer number (84551236560).

Almost surely, 2^{2003123330012} is an apocalyptic number.

It is an amenable number.

2003123330012 is an abundant number, since it is smaller than the sum of its proper divisors (2055336024868).

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

2003123330012 is a wasteful number, since it uses less digits than its factorization.

2003123330012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428410 (or 1428408 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 2003123330012 its reverse (2100333213002), we get a palindrome (4103456543014).

The spelling of 2003123330012 in words is "two trillion, three billion, one hundred twenty-three million, three hundred thirty thousand, twelve".