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12122211002 = 2112891972857
BaseRepresentation
bin10110100101000101…
…00100001010111010
31011021211002010022212
423102202210022322
5144311241223002
65322513015122
7606254044016
oct132242441272
934254063285
1012122211002
115160743600
1224238544a2
1311b2583c25
1482dd51546
154ae361352
hex2d28a42ba

12122211002 has 48 divisors (see below), whose sum is σ = 20320894440. Its totient is φ = 5418631680.

The previous prime is 12122210981. The next prime is 12122211037. The reversal of 12122211002 is 20011222121.

It can be written as a sum of positive squares in 4 ways, for example, as 11856814321 + 265396681 = 108889^2 + 16291^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4241558 + ... + 4244414.

Almost surely, 212122211002 is an apocalyptic number.

12122211002 is a deficient number, since it is larger than the sum of its proper divisors (8198683438).

12122211002 is a wasteful number, since it uses less digits than its factorization.

12122211002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167 (or 3156 counting only the distinct ones).

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

Adding to 12122211002 its reverse (20011222121), we get a palindrome (32133433123).

The spelling of 12122211002 in words is "twelve billion, one hundred twenty-two million, two hundred eleven thousand, two".

Divisors: 1 2 11 22 89 121 178 197 242 394 979 1958 2167 2857 4334 5714 10769 17533 21538 23837 31427 35066 47674 62854 192863 254273 345697 385726 508546 562829 691394 1125658 2121493 2797003 4242986 5594006 6191119 12382238 30767033 50091781 61534066 68102309 100183562 136204618 551009591 1102019182 6061105501 12122211002