32122021212020 has 96 divisors (see below), whose sum is σ = 69752741738400. Its totient is φ = 12416146145280.

The previous prime is 32122021211981. The next prime is 32122021212121. The reversal of 32122021212020 is 2021212022123.

It can be written as a sum of positive squares in 16 ways, for example, as 543623086864 + 31578398125156 = 737308^2 + 5619466^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 32122021211983 and 32122021212001.

It is a congruent number.

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, 1492578860 + ... + 1492600380.

It is an arithmetic number, because the mean of its divisors is an integer number (726591059775).

Almost surely, 2^{32122021212020} 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 32122021212020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34876370869200).

32122021212020 is an abundant number, since it is smaller than the sum of its proper divisors (37630720526380).

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

32122021212020 is a wasteful number, since it uses less digits than its factorization.

32122021212020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35253 (or 35251 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 32122021212020 its reverse (2021212022123), we get a palindrome (34143233234143).

The spelling of 32122021212020 in words is "thirty-two trillion, one hundred twenty-two billion, twenty-one million, two hundred twelve thousand, twenty".