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12000012000008 = 2317211149465541
BaseRepresentation
bin1010111010011111100001…
…1100111101101100001000
31120111012010110122202201012
42232213320130331230020
53033102011033000013
641304421315143052
72345654325011654
oct256477034755410
946435113582635
1012000012000008
1139071a3a3066a
1214198238a4a88
1369079a031896
142d6b37423a64
1515c233ee11a8
hexae9f873db08

12000012000008 has 48 divisors (see below), whose sum is σ = 23903603146500. Its totient is φ = 5646545832960.

The previous prime is 12000011999977. The next prime is 12000012000019. The reversal of 12000012000008 is 80000021000021.

It can be written as a sum of positive squares in 6 ways, for example, as 10281757684324 + 1718254315684 = 3206518^2 + 1310822^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12000011999956 and 12000012000001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25543718 + ... + 26009258.

Almost surely, 212000012000008 is an apocalyptic number.

It is an amenable number.

12000012000008 is a deficient number, since it is larger than the sum of its proper divisors (11903591146492).

12000012000008 is a wasteful number, since it uses less digits than its factorization.

12000012000008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476730 (or 476709 counting only the distinct ones).

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

Adding to 12000012000008 its reverse (80000021000021), we get a palindrome (92000033000029).

The spelling of 12000012000008 in words is "twelve trillion, twelve million, eight", and thus it is an aban number and an uban number.

Divisors: 1 2 4 8 17 34 68 136 289 578 1156 2312 11149 22298 44596 89192 189533 379066 465541 758132 931082 1516264 1862164 3222061 3724328 6444122 7914197 12888244 15828394 25776488 31656788 63313576 134541349 269082698 538165396 1076330792 5190316609 10380633218 20761266436 41522532872 88235382353 176470764706 352941529412 705883058824 1500001500001 3000003000002 6000006000004 12000012000008