212010020000 has 60 divisors (see below), whose sum is σ = 521576499906. Its totient is φ = 84804000000.

The previous prime is 212010019891. The next prime is 212010020041. The reversal of 212010020000 is 20010212.

It can be written as a sum of positive squares in 5 ways, for example, as 45013562896 + 166996457104 = 212164^2 + 408652^2 .

It is a Harshad number since it is a multiple of its sum of digits (8).

It is a self number, because there is not a number n which added to its sum of digits gives 212010020000.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5280251 + ... + 5320250.

Almost surely, 2^212010020000 is an apocalyptic number.

212010020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212010020000 is an abundant number, since it is smaller than the sum of its proper divisors (309566479906).

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

212010020000 is an equidigital number, since it uses as much as digits as its factorization.

212010020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10600531 (or 10600508 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 8.

Adding to 212010020000 its reverse (20010212), we get a palindrome (212030030212).

The spelling of 212010020000 in words is "two hundred twelve billion, ten million, twenty thousand".