12021002003320 has 32 divisors (see below), whose sum is σ = 27057358317600. Its totient is φ = 4806604568448.

The previous prime is 12021002003293. The next prime is 12021002003389. The reversal of 12021002003320 is 2330020012021.

It is a junction number, because it is equal to n+sod(n) for n = 12021002003294 and 12021002003303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56023860 + ... + 56238019.

It is an arithmetic number, because the mean of its divisors is an integer number (845542447425).

Almost surely, 2^{12021002003320} is an apocalyptic number.

12021002003320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12021002003320 is an abundant number, since it is smaller than the sum of its proper divisors (15036356314280).

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

12021002003320 is a wasteful number, since it uses less digits than its factorization.

12021002003320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112264567 (or 112264563 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 12021002003320 its reverse (2330020012021), we get a palindrome (14351022015341).

The spelling of 12021002003320 in words is "twelve trillion, twenty-one billion, two million, three thousand, three hundred twenty".