212335220000 has 120 divisors (see below), whose sum is σ = 522840524976. Its totient is φ = 84858656000.

The previous prime is 212335219997. The next prime is 212335220107. The reversal of 212335220000 is 22533212.

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

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 26135939 + ... + 26144061.

Almost surely, 2^212335220000 is an apocalyptic number.

212335220000 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 212335220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261420262488).

212335220000 is an abundant number, since it is smaller than the sum of its proper divisors (310505304976).

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

212335220000 is an equidigital number, since it uses as much as digits as its factorization.

212335220000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9460 (or 9437 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 212335220000 its reverse (22533212), we get a palindrome (212357753212).

The spelling of 212335220000 in words is "two hundred twelve billion, three hundred thirty-five million, two hundred twenty thousand".