Search a number
-
+
12100012110 = 2325357137649
BaseRepresentation
bin10110100010011011…
…11000100001001110
31011020021022022011200
423101031320201032
5144240100341420
65320401130330
7605564256144
oct132115704116
934207268150
1012100012110
11514a16120a
1224183299a6
1311aaab09a4
1482b013594
154ac428b90
hex2d137884e

12100012110 has 48 divisors (see below), whose sum is σ = 31469677200. Its totient is φ = 3225680640.

The previous prime is 12100012103. The next prime is 12100012129. The reversal of 12100012110 is 1121000121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 12100012092 and 12100012101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 302566 + ... + 340214.

It is an arithmetic number, because the mean of its divisors is an integer number (655618275).

Almost surely, 212100012110 is an apocalyptic number.

12100012110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12100012110 is an abundant number, since it is smaller than the sum of its proper divisors (19369665090).

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

12100012110 is a wasteful number, since it uses less digits than its factorization.

12100012110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41233 (or 41230 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12100012110 its reverse (1121000121), we get a palindrome (13221012231).

The spelling of 12100012110 in words is "twelve billion, one hundred million, twelve thousand, one hundred ten".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 3571 7142 10713 17855 21426 32139 35710 37649 53565 64278 75298 107130 112947 160695 188245 225894 321390 338841 376490 564735 677682 1129470 1694205 3388410 134444579 268889158 403333737 672222895 806667474 1210001211 1344445790 2016668685 2420002422 4033337370 6050006055 12100012110