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12001112101010 = 251361881786341
BaseRepresentation
bin1010111010100011101000…
…0001100001000010010010
31120111021222010200200120202
42232220322001201002102
53033111234144213020
641305122414135202
72346023513505344
oct256507201410222
946437863620522
1012001112101010
113907708a0484a
121419a901b1502
13690913c19516
142d6bdd58b294
1515c29a896e75
hexaea3a061092

12001112101010 has 16 divisors (see below), whose sum is σ = 21617873960472. Its totient is φ = 4796917689600.

The previous prime is 12001112101003. The next prime is 12001112101021. The reversal of 12001112101010 is 1010121110021.

It can be written as a sum of positive squares in 4 ways, for example, as 4963355723881 + 7037756377129 = 2227859^2 + 2652877^2 .

It is a super-2 number, since 2×120011121010102 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12001112100982 and 12001112101000.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440879561 + ... + 440906780.

Almost surely, 212001112101010 is an apocalyptic number.

12001112101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12001112101010 is a deficient number, since it is larger than the sum of its proper divisors (9616761859462).

12001112101010 is a wasteful number, since it uses less digits than its factorization.

12001112101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881787709.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12001112101010 its reverse (1010121110021), we get a palindrome (13011233211031).

The spelling of 12001112101010 in words is "twelve trillion, one billion, one hundred twelve million, one hundred one thousand, ten".

Divisors: 1 2 5 10 1361 2722 6805 13610 881786341 1763572682 4408931705 8817863410 1200111210101 2400222420202 6000556050505 12001112101010