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210100120201200 = 24352263375238839
BaseRepresentation
bin101111110001010110111111…
…000010000010011111110000
31000112220101010121200111200210
4233301112333002002133300
5210014240021232414300
62022502355053544120
762153142560440335
oct5761267702023760
91015811117614623
10210100120201200
1160a42a626113a9
121b6929891a5040
139030482ac14b8
1439c4c85b4298c
1519452bda62050
hexbf15bf0827f0

210100120201200 has 240 divisors, whose sum is σ = 673442005167360. Its totient is φ = 55991640176640.

The previous prime is 210100120201157. The next prime is 210100120201211. The reversal of 210100120201200 is 2102021001012.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23769666381 + ... + 23769675219.

It is an arithmetic number, because the mean of its divisors is an integer number (2806008354864).

Almost surely, 2210100120201200 is an apocalyptic number.

210100120201200 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 210100120201200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (336721002583680).

210100120201200 is an abundant number, since it is smaller than the sum of its proper divisors (463341884966160).

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

210100120201200 is a wasteful number, since it uses less digits than its factorization.

210100120201200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19016 (or 19005 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 210100120201200 its reverse (2102021001012), we get a palindrome (212202141202212).

The spelling of 210100120201200 in words is "two hundred ten trillion, one hundred billion, one hundred twenty million, two hundred one thousand, two hundred".