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12010220010220 = 2251049572460439
BaseRepresentation
bin1010111011000101100011…
…1001011011101011101100
31120112011110212211102012111
42232301120321123223230
53033233412310311340
641313230252213404
72346465306452455
oct256613071335354
946464425742174
1012010220010220
1139105620a9843
12141b7b246a264
13691735b4c303
142d742505212c
1515c63028baea
hexaec58e5baec

12010220010220 has 24 divisors (see below), whose sum is σ = 25245505404000. Its totient is φ = 4799508312192.

The previous prime is 12010220010203. The next prime is 12010220010241. The reversal of 12010220010220 is 2201002201021.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12010220010220.

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, 286209240 + ... + 286251199.

It is an arithmetic number, because the mean of its divisors is an integer number (1051896058500).

Almost surely, 212010220010220 is an apocalyptic number.

12010220010220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12010220010220 is an abundant number, since it is smaller than the sum of its proper divisors (13235285393780).

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

12010220010220 is a wasteful number, since it uses less digits than its factorization.

12010220010220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572461497 (or 572461495 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 12010220010220 its reverse (2201002201021), we get a palindrome (14211222211241).

The spelling of 12010220010220 in words is "twelve trillion, ten billion, two hundred twenty million, ten thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1049 2098 4196 5245 10490 20980 572460439 1144920878 2289841756 2862302195 5724604390 11449208780 600511000511 1201022001022 2402044002044 3002555002555 6005110005110 12010220010220