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2100201212010 = 2351121873308899
BaseRepresentation
bin11110100011111101101…
…111110100100001101010
321102202222122002211012110
4132203331233310201222
5233402203002241020
64244452532423150
7304506641516346
oct36437557644152
97382878084173
102100201212010
1173a765917500
1229b049177ab6
13123081963975
147391652a626
153996ec108e0
hex1e8fdbf486a

2100201212010 has 96 divisors (see below), whose sum is σ = 5543341473600. Its totient is φ = 508866209280.

The previous prime is 2100201211991. The next prime is 2100201212017. The reversal of 2100201212010 is 102121020012.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2100201212017) 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, 6644541 + ... + 6953439.

It is an arithmetic number, because the mean of its divisors is an integer number (57743140350).

Almost surely, 22100201212010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2100201212010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2771670736800).

2100201212010 is an abundant number, since it is smaller than the sum of its proper divisors (3443140261590).

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

2100201212010 is a wasteful number, since it uses less digits than its factorization.

2100201212010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310804 (or 310793 counting only the distinct ones).

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

Adding to 2100201212010 its reverse (102121020012), we get a palindrome (2202322232022).

The spelling of 2100201212010 in words is "two trillion, one hundred billion, two hundred one million, two hundred twelve thousand, ten".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 121 165 242 330 363 605 726 1210 1815 1873 3630 3746 5619 9365 11238 18730 20603 28095 41206 56190 61809 103015 123618 206030 226633 308899 309045 453266 617798 618090 679899 926697 1133165 1359798 1544495 1853394 2266330 3088990 3397889 3399495 4633485 6795778 6798990 9266970 10193667 16989445 20387334 33978890 37376779 50968335 74753558 101936670 112130337 186883895 224260674 373767790 560651685 578567827 1121303370 1157135654 1735703481 2892839135 3471406962 5785678270 6364246097 8678517405 12728492194 17357034810 19092738291 31821230485 38185476582 63642460970 70006707067 95463691455 140013414134 190927382910 210020121201 350033535335 420040242402 700067070670 1050100606005 2100201212010