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2011212100200 = 23352139203911827
BaseRepresentation
bin11101010001000101100…
…101010011001001101000
321010021021211101112222110
4131101011211103021220
5230422430244201300
64135534343122320
7265206465532602
oct35210545231150
97107254345873
102011212100200
11705a4a8866a6
12285952a433a0
1311786c3c17a4
146d4b39b2172
15374b24b6550
hex1d445953268

2011212100200 has 192 divisors, whose sum is σ = 6283222848000. Its totient is φ = 532158647040.

The previous prime is 2011212100199. The next prime is 2011212100241. The reversal of 2011212100200 is 20012121102.

It is a super-2 number, since 2×20112121002002 (a number of 25 digits) contains 22 as substring.

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

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, 170046687 + ... + 170058513.

It is an arithmetic number, because the mean of its divisors is an integer number (32725119000).

Almost surely, 22011212100200 is an apocalyptic number.

2011212100200 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 2011212100200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3141611424000).

2011212100200 is an abundant number, since it is smaller than the sum of its proper divisors (4272010747800).

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

2011212100200 is a wasteful number, since it uses less digits than its factorization.

2011212100200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14024 (or 14015 counting only the distinct ones).

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

Adding to 2011212100200 its reverse (20012121102), we get a palindrome (2031224221302).

The spelling of 2011212100200 in words is "two trillion, eleven billion, two hundred twelve million, one hundred thousand, two hundred".