32020221321312 has 96 divisors (see below), whose sum is σ = 96067484577792. Its totient is φ = 9147985081344.

The previous prime is 32020221321289. The next prime is 32020221321329. The reversal of 32020221321312 is 21312312202023.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 7819548 + ... + 11188644.

It is an arithmetic number, because the mean of its divisors is an integer number (1000702964352).

Almost surely, 2^{32020221321312} is an apocalyptic number.

32020221321312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

32020221321312 is an abundant number, since it is smaller than the sum of its proper divisors (64047263256480).

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

32020221321312 is a wasteful number, since it uses less digits than its factorization.

32020221321312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383260 (or 3383252 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 32020221321312 its reverse (21312312202023), we get a palindrome (53332533523335).

The spelling of 32020221321312 in words is "thirty-two trillion, twenty billion, two hundred twenty-one million, three hundred twenty-one thousand, three hundred twelve".