212201210000 has 100 divisors (see below), whose sum is σ = 553280715372. Its totient is φ = 78351168000.

The previous prime is 212201209999. The next prime is 212201210033. The reversal of 212201210000 is 12102212.

It is a happy number.

It can be written as a sum of positive squares in 10 ways, for example, as 174202725376 + 37998484624 = 417376^2 + 194932^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 686159 + ... + 946158.

Almost surely, 2^212201210000 is an apocalyptic number.

212201210000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212201210000 is an abundant number, since it is smaller than the sum of its proper divisors (341079505372).

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

212201210000 is a wasteful number, since it uses less digits than its factorization.

212201210000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632358 (or 1632337 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 212201210000 its reverse (12102212), we get a palindrome (212213312212).

The spelling of 212201210000 in words is "two hundred twelve billion, two hundred one million, two hundred ten thousand".