2003123003012 has 18 divisors (see below), whose sum is σ = 3588883587198. Its totient is φ = 978269369952.

The previous prime is 2003123002981. The next prime is 2003123003039. The reversal of 2003123003012 is 2103003213002.

It can be written as a sum of positive squares in only one way, i.e., 1560160876096 + 442962126916 = 1249064^2 + 665554^2 .

It is a super-3 number, since 3×2003123003012³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135411953 + ... + 135426744.

It is an arithmetic number, because the mean of its divisors is an integer number (199382421511).

Almost surely, 2^{2003123003012} is an apocalyptic number.

It is an amenable number.

2003123003012 is a deficient number, since it is larger than the sum of its proper divisors (1585760584186).

2003123003012 is a wasteful number, since it uses less digits than its factorization.

2003123003012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270838787 (or 270838742 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 2003123003012 its reverse (2103003213002), we get a palindrome (4106126216014).

The spelling of 2003123003012 in words is "two trillion, three billion, one hundred twenty-three million, three thousand, twelve".