212133300000 has 144 divisors (see below), whose sum is σ = 696018826944. Its totient is φ = 56568800000.

The previous prime is 212133299981. The next prime is 212133300023. The reversal of 212133300000 is 3331212.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53556 + ... + 653555.

It is an arithmetic number, because the mean of its divisors is an integer number (4833464076).

Almost surely, 2^212133300000 is an apocalyptic number.

212133300000 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 212133300000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348009413472).

212133300000 is an abundant number, since it is smaller than the sum of its proper divisors (483885526944).

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

212133300000 is an frugal number, since it uses more digits than its factorization.

212133300000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 707149 (or 707121 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 212133300000 its reverse (3331212), we get a palindrome (212136631212).

The spelling of 212133300000 in words is "two hundred twelve billion, one hundred thirty-three million, three hundred thousand".