3203220321012 has 12 divisors (see below), whose sum is σ = 7474180749056. Its totient is φ = 1067740107000.

The previous prime is 3203220320953. The next prime is 3203220321097. The reversal of 3203220321012 is 2101230223023.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 3203220321012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133467513364 + ... + 133467513387.

Almost surely, 2^{3203220321012} is an apocalyptic number.

It is an amenable number.

3203220321012 is an abundant number, since it is smaller than the sum of its proper divisors (4270960428044).

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

3203220321012 is a wasteful number, since it uses less digits than its factorization.

3203220321012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266935026758 (or 266935026756 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 3203220321012 its reverse (2101230223023), we get a palindrome (5304450544035).

The spelling of 3203220321012 in words is "three trillion, two hundred three billion, two hundred twenty million, three hundred twenty-one thousand, twelve".