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12211200211210 = 25711213110900011
BaseRepresentation
bin1011000110110010010001…
…0000000011100100001010
31121020101020112112110200021
42301230210100003210022
53100032014223224320
641545425315331054
72400141632126350
oct261544420034412
947211215473607
1012211200211210
1139888171a0500
1214527422b0a8a
136a7685265870
1430304d3a97d0
151629947d0daa
hexb1b2440390a

12211200211210 has 96 divisors (see below), whose sum is σ = 29735398417536. Its totient is φ = 3513312316800.

The previous prime is 12211200211201. The next prime is 12211200211219. The reversal of 12211200211210 is 1211200211221.

It is an interprime number because it is at equal distance from previous prime (12211200211201) and next prime (12211200211219).

It is a super-2 number, since 2×122112002112102 (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211200211219) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 55339896 + ... + 55560115.

It is an arithmetic number, because the mean of its divisors is an integer number (309743733516).

Almost surely, 212211200211210 is an apocalyptic number.

12211200211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12211200211210 is an abundant number, since it is smaller than the sum of its proper divisors (17524198206326).

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

12211200211210 is a wasteful number, since it uses less digits than its factorization.

12211200211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110900060 (or 110900049 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12211200211210 its reverse (1211200211221), we get a palindrome (13422400422431).

The spelling of 12211200211210 in words is "twelve trillion, two hundred eleven billion, two hundred million, two hundred eleven thousand, two hundred ten".

Divisors: 1 2 5 7 10 11 13 14 22 26 35 55 65 70 77 91 110 121 130 143 154 182 242 286 385 455 605 715 770 847 910 1001 1210 1430 1573 1694 2002 3146 4235 5005 7865 8470 10010 11011 15730 22022 55055 110110 110900011 221800022 554500055 776300077 1109000110 1219900121 1441700143 1552600154 2439800242 2883400286 3881500385 6099500605 7208500715 7763000770 8539300847 10091901001 12199001210 13418901331 14417001430 15858701573 17078601694 20183802002 26837802662 31717403146 42696504235 50459505005 67094506655 79293507865 85393008470 93932309317 100919010010 111010911011 134189013310 158587015730 174445717303 187864618634 222021822022 348891434606 469661546585 555054555055 872228586515 939323093170 1110109110110 1221120021121 1744457173030 2442240042242 6105600105605 12211200211210