3201320012 has 12 divisors (see below), whose sum is σ = 6111611016. Its totient is φ = 1455145440.

The previous prime is 3201320011. The next prime is 3201320039. The reversal of 3201320012 is 2100231023.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3201320011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36378593 + ... + 36378680.

It is an arithmetic number, because the mean of its divisors is an integer number (509300918).

Almost surely, 2^3201320012 is an apocalyptic number.

It is an amenable number.

3201320012 is a deficient number, since it is larger than the sum of its proper divisors (2910291004).

3201320012 is a wasteful number, since it uses less digits than its factorization.

3201320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72757288 (or 72757286 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 3201320012 is about 56580.2086599192. The cubic root of 3201320012 is about 1473.8151951760.

Adding to 3201320012 its reverse (2100231023), we get a palindrome (5301551035).

It can be divided in two parts, 32013 and 20012, that added together give a palindrome (52025).

The spelling of 3201320012 in words is "three billion, two hundred one million, three hundred twenty thousand, twelve".