212133443300 has 72 divisors (see below), whose sum is σ = 477668093952. Its totient is φ = 81686016000.

The previous prime is 212133443281. The next prime is 212133443329. The reversal of 212133443300 is 3344331212.

It is a self number, because there is not a number n which added to its sum of digits gives 212133443300.

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, 412964 + ... + 771236.

Almost surely, 2^212133443300 is an apocalyptic number.

212133443300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212133443300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (238834046976).

212133443300 is an abundant number, since it is smaller than the sum of its proper divisors (265534650652).

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

212133443300 is a wasteful number, since it uses less digits than its factorization.

212133443300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358509 (or 358502 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 212133443300 its reverse (3344331212), we get a palindrome (215477774512).

The spelling of 212133443300 in words is "two hundred twelve billion, one hundred thirty-three million, four hundred forty-three thousand, three hundred".