3221012132112 has 160 divisors (see below), whose sum is σ = 8889181056000. Its totient is φ = 1002804030976.

The previous prime is 3221012132059. The next prime is 3221012132183. The reversal of 3221012132112 is 2112312101223.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9539323 + ... + 9871205.

It is an arithmetic number, because the mean of its divisors is an integer number (55557381600).

Almost surely, 2^{3221012132112} 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 3221012132112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4444590528000).

3221012132112 is an abundant number, since it is smaller than the sum of its proper divisors (5668168923888).

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

3221012132112 is a wasteful number, since it uses less digits than its factorization.

3221012132112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332125 (or 332119 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 3221012132112 its reverse (2112312101223), we get a palindrome (5333324233335).

The spelling of 3221012132112 in words is "three trillion, two hundred twenty-one billion, twelve million, one hundred thirty-two thousand, one hundred twelve".