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212001002211200 = 2752194349801761
BaseRepresentation
bin110000001101000001010100…
…011011011100011110000000
31000210122002122100112202200012
4300031001110123130132000
5210241411023031224300
62030515525500244052
762440365316100546
oct6015012433343600
91023562570482605
10212001002211200
1161606135991274
121b93b26a840628
13913a7bb4b1237
143a4cc90767d96
151979974e7b435
hexc0d0546dc780

212001002211200 has 192 divisors, whose sum is σ = 551399789070000. Its totient is φ = 80318649139200.

The previous prime is 212001002211077. The next prime is 212001002211209. The reversal of 212001002211200 is 2112200100212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212001002211209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264018320 + ... + 264820080.

Almost surely, 2212001002211200 is an apocalyptic number.

212001002211200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 212001002211200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275699894535000).

212001002211200 is an abundant number, since it is smaller than the sum of its proper divisors (339398786858800).

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

212001002211200 is a wasteful number, since it uses less digits than its factorization.

212001002211200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806153 (or 806136 counting only the distinct ones).

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

Adding to 212001002211200 its reverse (2112200100212), we get a palindrome (214113202311412).

The spelling of 212001002211200 in words is "two hundred twelve trillion, one billion, two million, two hundred eleven thousand, two hundred".