202101212212200 has 144 divisors (see below), whose sum is σ = 775683700253280. Its totient is φ = 46194562788480.

The previous prime is 202101212212181. The next prime is 202101212212217. The reversal of 202101212212200 is 2212212101202.

It is a happy number.

202101212212200 is a `hidden beast` number, since 2 + 0 + 210 + 1 + 212 + 21 + 220 + 0 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8019876774 + ... + 8019901973.

It is an arithmetic number, because the mean of its divisors is an integer number (5386692362870).

Almost surely, 2^{202101212212200} is an apocalyptic number.

202101212212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

202101212212200 is an abundant number, since it is smaller than the sum of its proper divisors (573582488041080).

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

202101212212200 is a wasteful number, since it uses less digits than its factorization.

202101212212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16039778776 (or 16039778764 counting only the distinct ones).

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

Adding to 202101212212200 its reverse (2212212101202), we get a palindrome (204313424313402).

The spelling of 202101212212200 in words is "two hundred two trillion, one hundred one billion, two hundred twelve million, two hundred twelve thousand, two hundred".