32211303331312 has 80 divisors (see below), whose sum is σ = 72205549977600. Its totient is φ = 13635120761856.

The previous prime is 32211303331303. The next prime is 32211303331327. The reversal of 32211303331312 is 21313330311223.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773064 + ... + 8063512.

It is an arithmetic number, because the mean of its divisors is an integer number (902569374720).

Almost surely, 2^{32211303331312} 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 32211303331312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36102774988800).

32211303331312 is an abundant number, since it is smaller than the sum of its proper divisors (39994246646288).

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

32211303331312 is a wasteful number, since it uses less digits than its factorization.

32211303331312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7290950 (or 7290944 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 32211303331312 its reverse (21313330311223), we get a palindrome (53524633642535).

The spelling of 32211303331312 in words is "thirty-two trillion, two hundred eleven billion, three hundred three million, three hundred thirty-one thousand, three hundred twelve".