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201212000200 = 23523623277687
BaseRepresentation
bin1011101101100100101…
…0110111011111001000
3201020100210212200012201
42323121022313133020
511244040233001300
6232234023245544
720352135532201
oct2733112673710
9636323780181
10201212000200
1178373a23962
1232bb55a98b4
1315c88455763
149a4b0565a8
155379a8066a
hex2ed92b77c8

201212000200 has 48 divisors (see below), whose sum is σ = 467948710080. Its totient is φ = 80462295360.

The previous prime is 201212000191. The next prime is 201212000203. The reversal of 201212000200 is 2000212102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (201212000203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 585757 + ... + 863443.

It is an arithmetic number, because the mean of its divisors is an integer number (9748931460).

Almost surely, 2201212000200 is an apocalyptic number.

201212000200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201212000200 is an abundant number, since it is smaller than the sum of its proper divisors (266736709880).

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

201212000200 is a wasteful number, since it uses less digits than its factorization.

201212000200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281326 (or 281317 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

Adding to 201212000200 its reverse (2000212102), we get a palindrome (203212212302).

The spelling of 201212000200 in words is "two hundred one billion, two hundred twelve million, two hundred", and thus it is an aban number.

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 3623 7246 14492 18115 28984 36230 72460 90575 144920 181150 277687 362300 555374 724600 1110748 1388435 2221496 2776870 5553740 6942175 11107480 13884350 27768700 55537400 1006060001 2012120002 4024240004 5030300005 8048480008 10060600010 20121200020 25151500025 40242400040 50303000050 100606000100 201212000200