Search a number
-
+
12000211012220 = 2253522117035591
BaseRepresentation
bin1010111010100000010001…
…0100001000101001111100
31120111012122100010122010212
42232220010110020221330
53033102413004342340
641304453144451552
72345662262413334
oct256500424105174
946435570118125
1012000211012220
1139072962a9472
12141987a479bb8
136907cc3313a2
142d6b55a2a0c4
1515c246702a65
hexaea04508a7c

12000211012220 has 24 divisors (see below), whose sum is σ = 25201160099808. Its totient is φ = 4799947838400.

The previous prime is 12000211012213. The next prime is 12000211012289. The reversal of 12000211012220 is 2221011200021.

It is a junction number, because it is equal to n+sod(n) for n = 12000211012195 and 12000211012204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7813376 + ... + 9222215.

It is an arithmetic number, because the mean of its divisors is an integer number (1050048337492).

Almost surely, 212000211012220 is an apocalyptic number.

12000211012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12000211012220 is an abundant number, since it is smaller than the sum of its proper divisors (13200949087588).

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

12000211012220 is a wasteful number, since it uses less digits than its factorization.

12000211012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17070821 (or 17070819 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12000211012220 its reverse (2221011200021), we get a palindrome (14221222212241).

The spelling of 12000211012220 in words is "twelve trillion, two hundred eleven million, twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 35221 70442 140884 176105 352210 704420 17035591 34071182 68142364 85177955 170355910 340711820 600010550611 1200021101222 2400042202444 3000052753055 6000105506110 12000211012220