3200000000000 has 204 divisors, whose sum is σ = 7999938932076. Its totient is φ = 1280000000000.

The previous prime is 3199999999969. The next prime is 3200000000051. The reversal of 3200000000000 is 23.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 457452027904 + 2742547972096 = 676352^2 + 1656064^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639999999998 + ... + 640000000002.

Almost surely, 2^{3200000000000} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3200000000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3999969466038).

3200000000000 is an abundant number, since it is smaller than the sum of its proper divisors (4799938932076).

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

3200000000000 is an frugal number, since it uses more digits than its factorization.

3200000000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 7 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 5.

Adding to 3200000000000 its reverse (23), we get a palindrome (3200000000023).

The spelling of 3200000000000 in words is "three trillion, two hundred billion", and thus it is an aban number.