212010010100200 has 48 divisors (see below), whose sum is σ = 530840448372780. Its totient is φ = 78280619112960.

The previous prime is 212010010100191. The next prime is 212010010100201. The reversal of 212010010100200 is 2001010010212.

It can be written as a sum of positive squares in 6 ways, for example, as 84936830989924 + 127073179110276 = 9216118^2 + 11272674^2 .

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 (212010010100201) 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, 40771153189 + ... + 40771158388.

Almost surely, 2^{212010010100200} is an apocalyptic number.

212010010100200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212010010100200 is an abundant number, since it is smaller than the sum of its proper divisors (318830438272580).

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

212010010100200 is a wasteful number, since it uses less digits than its factorization.

212010010100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81542311606 (or 81542311597 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 212010010100200 its reverse (2001010010212), we get a palindrome (214011020110412).

The spelling of 212010010100200 in words is "two hundred twelve trillion, ten billion, ten million, one hundred thousand, two hundred".