212120211202200 has 192 divisors, whose sum is σ = 835012895040000. Its totient is φ = 48484619694720.

The previous prime is 212120211202183. The next prime is 212120211202259. The reversal of 212120211202200 is 2202112021212.

It is a happy number.

212120211202200 is a `hidden beast` number, since 2 + 1 + 212 + 0 + 211 + 20 + 220 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2805785100 + ... + 2805860699.

It is an arithmetic number, because the mean of its divisors is an integer number (4349025495000).

Almost surely, 2^{212120211202200} is an apocalyptic number.

212120211202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212120211202200 is an abundant number, since it is smaller than the sum of its proper divisors (622892683837800).

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

212120211202200 is a wasteful number, since it uses less digits than its factorization.

212120211202200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5611645831 (or 5611645816 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 212120211202200 its reverse (2202112021212), we get a palindrome (214322323223412).

The spelling of 212120211202200 in words is "two hundred twelve trillion, one hundred twenty billion, two hundred eleven million, two hundred two thousand, two hundred".