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212111020020200 = 23527199782207201
BaseRepresentation
bin110000001110100111110010…
…000000000101000111101000
31000211000121121200110112101212
4300032213302000011013220
5210300211332111121300
62031042242443532252
762451341545043360
oct6016476200050750
91024017550415355
10212111020020200
1161648862095564
121b95865352a088
139147ca25a51c2
143a5432a0659a0
15197c7638e0935
hexc0e9f20051e8

212111020020200 has 192 divisors, whose sum is σ = 599389151222400. Its totient is φ = 68185939968000.

The previous prime is 212111020020199. The next prime is 212111020020203. The reversal of 212111020020200 is 2020020111212.

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

It is not an unprimeable number, because it can be changed into a prime (212111020020203) 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 47 ways as a sum of consecutive naturals, for example, 38523401 + ... + 43683800.

It is an arithmetic number, because the mean of its divisors is an integer number (3121818495950).

Almost surely, 2212111020020200 is an apocalyptic number.

212111020020200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

212111020020200 is an abundant number, since it is smaller than the sum of its proper divisors (387278131202200).

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

212111020020200 is a wasteful number, since it uses less digits than its factorization.

212111020020200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82207340 (or 82207331 counting only the distinct ones).

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

Adding to 212111020020200 its reverse (2020020111212), we get a palindrome (214131040131412).

The spelling of 212111020020200 in words is "two hundred twelve trillion, one hundred eleven billion, twenty million, twenty thousand, two hundred".