212100201212020 has 48 divisors (see below), whose sum is σ = 485903873851200. Its totient is φ = 77127092766720.

The previous prime is 212100201211937. The next prime is 212100201212021. The reversal of 212100201212020 is 20212102001212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 212100201211985 and 212100201212003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100201212021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73733911 + ... + 76556449.

It is an arithmetic number, because the mean of its divisors is an integer number (10122997371900).

Almost surely, 2^{212100201212020} is an apocalyptic number.

212100201212020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212100201212020 is an abundant number, since it is smaller than the sum of its proper divisors (273803672639180).

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

212100201212020 is a wasteful number, since it uses less digits than its factorization.

212100201212020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3164128 (or 3164126 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 212100201212020 its reverse (20212102001212), we get a palindrome (232312303213232).

The spelling of 212100201212020 in words is "two hundred twelve trillion, one hundred billion, two hundred one million, two hundred twelve thousand, twenty".