212100012020200 has 24 divisors (see below), whose sum is σ = 493132527947430. Its totient is φ = 84840004808000.

The previous prime is 212100012020177. The next prime is 212100012020209. The reversal of 212100012020200 is 2020210001212.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 200381973941956 + 11718038078244 = 14155634^2 + 3423162^2 .

It is not an unprimeable number, because it can be changed into a prime (212100012020209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 530250029851 + ... + 530250030250.

Almost surely, 2^{212100012020200} is an apocalyptic number.

212100012020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212100012020200 is an abundant number, since it is smaller than the sum of its proper divisors (281032515927230).

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

212100012020200 is a wasteful number, since it uses less digits than its factorization.

212100012020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060500060117 (or 1060500060108 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 212100012020200 its reverse (2020210001212), we get a palindrome (214120222021412).

The spelling of 212100012020200 in words is "two hundred twelve trillion, one hundred billion, twelve million, twenty thousand, two hundred".