1003321323012 has 24 divisors (see below), whose sum is σ = 2341177717536. Its totient is φ = 334426922368.

The previous prime is 1003321322963. The next prime is 1003321323031. The reversal of 1003321323012 is 2103231233001.

It is a self number, because there is not a number n which added to its sum of digits gives 1003321323012.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1378293 + ... + 1976444.

It is an arithmetic number, because the mean of its divisors is an integer number (97549071564).

Almost surely, 2^{1003321323012} is an apocalyptic number.

1003321323012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1003321323012 is an abundant number, since it is smaller than the sum of its proper divisors (1337856394524).

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

1003321323012 is a wasteful number, since it uses less digits than its factorization.

1003321323012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3379667 (or 3379665 counting only the distinct ones).

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

Adding to 1003321323012 its reverse (2103231233001), we get a palindrome (3106552556013).

The spelling of 1003321323012 in words is "one trillion, three billion, three hundred twenty-one million, three hundred twenty-three thousand, twelve".