Search a number
-
+
12101212000010 = 257517133431533
BaseRepresentation
bin1011000000011000100001…
…1100010100111100001010
31120211212100021022102111102
42300012020130110330022
53041231240233000020
641423115310301402
72356166212555520
oct260061034247412
946755307272442
1012101212000010
113946105772501
1214353674b7862
1369a1a73357a3
142db9b79b4310
1515eba8766475
hexb0188714f0a

12101212000010 has 32 divisors (see below), whose sum is σ = 24898736714112. Its totient is φ = 4148184490560.

The previous prime is 12101211999991. The next prime is 12101212000013. The reversal of 12101212000010 is 1000021210121.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12101211999955 and 12101212000000.

It is not an unprimeable number, because it can be changed into a prime (12101212000013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16353797 + ... + 17077736.

It is an arithmetic number, because the mean of its divisors is an integer number (778085522316).

Almost surely, 212101212000010 is an apocalyptic number.

12101212000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12101212000010 is an abundant number, since it is smaller than the sum of its proper divisors (12797524714102).

12101212000010 is a wasteful number, since it uses less digits than its factorization.

12101212000010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33436718.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 12101212000010 its reverse (1000021210121), we get a palindrome (13101233210131).

The spelling of 12101212000010 in words is "twelve trillion, one hundred one billion, two hundred twelve million, ten", and thus it is an aban number.

Divisors: 1 2 5 7 10 14 35 70 5171 10342 25855 36197 51710 72394 180985 361970 33431533 66863066 167157665 234020731 334315330 468041462 1170103655 2340207310 172874457143 345748914286 864372285715 1210121200001 1728744571430 2420242400002 6050606000005 12101212000010