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2122212110200 = 2352713642718143
BaseRepresentation
bin11110111000011101101…
…100101110111101111000
321111212210121111022011221
4132320131230232331320
5234232242300011300
64302533014401424
7306216252205240
oct36703554567570
97455717438157
102122212110200
11749030457056
122a3370660274
1312517bb30290
1474a03906b20
153a30c29331a
hex1ee1db2ef78

2122212110200 has 192 divisors, whose sum is σ = 6074071234560. Its totient is φ = 671503633920.

The previous prime is 2122212110087. The next prime is 2122212110201. The reversal of 2122212110200 is 20112122212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122212110201) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 116962329 + ... + 116980471.

It is an arithmetic number, because the mean of its divisors is an integer number (31635787680).

Almost surely, 22122212110200 is an apocalyptic number.

2122212110200 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 2122212110200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3037035617280).

2122212110200 is an abundant number, since it is smaller than the sum of its proper divisors (3951859124360).

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

2122212110200 is a wasteful number, since it uses less digits than its factorization.

2122212110200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24606 (or 24597 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2122212110200 its reverse (20112122212), we get a palindrome (2142324232412).

The spelling of 2122212110200 in words is "two trillion, one hundred twenty-two billion, two hundred twelve million, one hundred ten thousand, two hundred".