32212133300 has 72 divisors (see below), whose sum is σ = 72195676056. Its totient is φ = 12468418560.

The previous prime is 32212133281. The next prime is 32212133323. The reversal of 32212133300 is 333121223.

It can be written as a sum of positive squares in 12 ways, for example, as 935503396 + 31276629904 = 30586^2 + 176852^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 345272 + ... + 428528.

It is an arithmetic number, because the mean of its divisors is an integer number (1002717723).

Almost surely, 2^32212133300 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 32212133300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36097838028).

32212133300 is an abundant number, since it is smaller than the sum of its proper divisors (39983542756).

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

32212133300 is a wasteful number, since it uses less digits than its factorization.

32212133300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83397 (or 83390 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 32212133300 its reverse (333121223), we get a palindrome (32545254523).

The spelling of 32212133300 in words is "thirty-two billion, two hundred twelve million, one hundred thirty-three thousand, three hundred".