212021020000 has 60 divisors (see below), whose sum is σ = 521603561556. Its totient is φ = 84808400000.

The previous prime is 212021019997. The next prime is 212021020061. The reversal of 212021020000 is 20120212.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

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, 5280526 + ... + 5320525.

Almost surely, 2^212021020000 is an apocalyptic number.

212021020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212021020000 is an abundant number, since it is smaller than the sum of its proper divisors (309582541556).

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

212021020000 is an equidigital number, since it uses as much as digits as its factorization.

212021020000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10601081 (or 10601058 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 212021020000 its reverse (20120212), we get a palindrome (212041140212).

The spelling of 212021020000 in words is "two hundred twelve billion, twenty-one million, twenty thousand".