212100022110200 has 96 divisors (see below), whose sum is σ = 575081692788000. Its totient is φ = 72720007557120.

The previous prime is 212100022110191. The next prime is 212100022110203. The reversal of 212100022110200 is 2011220001212.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212100022110203) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1545849929 + ... + 1545987128.

It is an arithmetic number, because the mean of its divisors is an integer number (5990434299875).

Almost surely, 2^{212100022110200} is an apocalyptic number.

212100022110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212100022110200 is an abundant number, since it is smaller than the sum of its proper divisors (362981670677800).

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

212100022110200 is a wasteful number, since it uses less digits than its factorization.

212100022110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3091837094 (or 3091837071 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212100022110200 its reverse (2011220001212), we get a palindrome (214111242111412).

The spelling of 212100022110200 in words is "two hundred twelve trillion, one hundred billion, twenty-two million, one hundred ten thousand, two hundred".