Search a number
-
+
12011221100230 = 2511569191903197
BaseRepresentation
bin1010111011001001010010…
…0100010010011011000110
31120112021001122120001112021
42232302110210102123012
53033242440100201410
641313513453113354
72346532153543312
oct256622444223306
946467048501467
1012011221100230
113910a261a7560
12141ba3178885a
1369186537b671
142d74bbda4b42
1515c68d0d5eda
hexaec949126c6

12011221100230 has 32 divisors (see below), whose sum is σ = 23627121737760. Its totient is φ = 4360040613120.

The previous prime is 12011221100227. The next prime is 12011221100233. The reversal of 12011221100230 is 3200112211021.

It is an interprime number because it is at equal distance from previous prime (12011221100227) and next prime (12011221100233).

It is a super-2 number, since 2×120112211002302 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011221100233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95889009 + ... + 96014188.

It is an arithmetic number, because the mean of its divisors is an integer number (738347554305).

Almost surely, 212011221100230 is an apocalyptic number.

12011221100230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12011221100230 is a deficient number, since it is larger than the sum of its proper divisors (11615900637530).

12011221100230 is a wasteful number, since it uses less digits than its factorization.

12011221100230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191903784.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 12011221100230 its reverse (3200112211021), we get a palindrome (15211333311251).

The spelling of 12011221100230 in words is "twelve trillion, eleven billion, two hundred twenty-one million, one hundred thousand, two hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 569 1138 2845 5690 6259 12518 31295 62590 191903197 383806394 959515985 1919031970 2110935167 4221870334 10554675835 21109351670 109192919093 218385838186 545964595465 1091929190930 1201122110023 2402244220046 6005610550115 12011221100230