212020100200 has 48 divisors (see below), whose sum is σ = 521943607980. Its totient is φ = 79819330560.

The previous prime is 212020100191. The next prime is 212020100207. The reversal of 212020100200 is 2001020212.

It can be written as a sum of positive squares in 6 ways, for example, as 142553063844 + 69467036356 = 377562^2 + 263566^2 .

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

It is not an unprimeable number, because it can be changed into a prime (212020100207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31176027 + ... + 31182826.

Almost surely, 2^212020100200 is an apocalyptic number.

212020100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212020100200 is an abundant number, since it is smaller than the sum of its proper divisors (309923507780).

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

212020100200 is a wasteful number, since it uses less digits than its factorization.

212020100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62358886 (or 62358877 counting only the distinct ones).

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

Adding to 212020100200 its reverse (2001020212), we get a palindrome (214021120412).

The spelling of 212020100200 in words is "two hundred twelve billion, twenty million, one hundred thousand, two hundred".