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12010222110 = 23523291573823
BaseRepresentation
bin10110010111101110…
…10111001000011110
31011000000100111110010
423023313113020132
5144044104101420
65303432424050
7603424126545
oct131367271036
934000314403
1012010222110
1151035036a7
1223b2248026
131195303503
1481d11d15c
154a45de4e0
hex2cbdd721e

12010222110 has 128 divisors (see below), whose sum is σ = 31321313280. Its totient is φ = 2938231296.

The previous prime is 12010222109. The next prime is 12010222117. The reversal of 12010222110 is 1122201021.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12010222117) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3139659 + ... + 3143481.

It is an arithmetic number, because the mean of its divisors is an integer number (244697760).

Almost surely, 212010222110 is an apocalyptic number.

12010222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12010222110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15660656640).

12010222110 is an abundant number, since it is smaller than the sum of its proper divisors (19311091170).

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

12010222110 is a wasteful number, since it uses less digits than its factorization.

12010222110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4042.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 12010222110 its reverse (1122201021), we get a palindrome (13132423131).

The spelling of 12010222110 in words is "twelve billion, ten million, two hundred twenty-two thousand, one hundred ten".

Divisors: 1 2 3 5 6 10 15 23 29 30 46 58 69 87 115 138 145 157 174 230 290 314 345 435 471 667 690 785 870 942 1334 1570 2001 2355 3335 3611 3823 4002 4553 4710 6670 7222 7646 9106 10005 10833 11469 13659 18055 19115 20010 21666 22765 22938 27318 36110 38230 45530 54165 57345 68295 87929 104719 108330 110867 114690 136590 175858 209438 221734 263787 314157 332601 439645 523595 527574 554335 600211 628314 665202 879290 1047190 1108670 1200422 1318935 1570785 1663005 1800633 2549941 2637870 3001055 3141570 3326010 3601266 5099882 6002110 7649823 9003165 12749705 13804853 15299646 17406119 18006330 25499410 27609706 34812238 38249115 41414559 52218357 69024265 76498230 82829118 87030595 104436714 138048530 174061190 207072795 261091785 400340737 414145590 522183570 800681474 1201022211 2001703685 2402044422 4003407370 6005111055 12010222110