Search a number
-
+
12102212010 = 235767860143
BaseRepresentation
bin10110100010101100…
…10001100110101010
31011020102110001212110
423101112101212222
5144241131241020
65320520223150
7605622050640
oct132126214652
934212401773
1012102212010
115150424009
12241900aab6
1311ab3a10c5
1482b427190
154ac7108e0
hex2d15919aa

12102212010 has 64 divisors (see below), whose sum is σ = 33690120192. Its totient is φ = 2724929856.

The previous prime is 12102211999. The next prime is 12102212027. The reversal of 12102212010 is 1021220121.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 416002 + ... + 444141.

It is an arithmetic number, because the mean of its divisors is an integer number (526408128).

Almost surely, 212102212010 is an apocalyptic number.

12102212010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12102212010 is an abundant number, since it is smaller than the sum of its proper divisors (21587908182).

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

12102212010 is a wasteful number, since it uses less digits than its factorization.

12102212010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860227.

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

Adding to 12102212010 its reverse (1021220121), we get a palindrome (13123432131).

The spelling of 12102212010 in words is "twelve billion, one hundred two million, two hundred twelve thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 67 70 105 134 201 210 335 402 469 670 938 1005 1407 2010 2345 2814 4690 7035 14070 860143 1720286 2580429 4300715 5160858 6021001 8601430 12042002 12902145 18063003 25804290 30105005 36126006 57629581 60210010 90315015 115259162 172888743 180630030 288147905 345777486 403407067 576295810 806814134 864443715 1210221201 1728887430 2017035335 2420442402 4034070670 6051106005 12102212010