2003021312120 has 16 divisors (see below), whose sum is σ = 4506797952360. Its totient is φ = 801208524832.

The previous prime is 2003021312107. The next prime is 2003021312147. The reversal of 2003021312120 is 212131203002.

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 3 ways as a sum of consecutive naturals, for example, 25037766362 + ... + 25037766441.

Almost surely, 2^{2003021312120} is an apocalyptic number.

2003021312120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003021312120 is an abundant number, since it is smaller than the sum of its proper divisors (2503776640240).

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

2003021312120 is a wasteful number, since it uses less digits than its factorization.

2003021312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50075532814 (or 50075532810 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 2003021312120 its reverse (212131203002), we get a palindrome (2215152515122).

The spelling of 2003021312120 in words is "two trillion, three billion, twenty-one million, three hundred twelve thousand, one hundred twenty".