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12002011105 = 571918048137
BaseRepresentation
bin10110010110110000…
…00010011111100001
31010222102220100001211
423023120002133201
5144040003323410
65302540430121
7603264261010
oct131330023741
933872810054
1012002011105
1150a9905647
1223ab548341
1311936ba026
1481bdc2a77
154a3a1b68a
hex2cb6027e1

12002011105 has 16 divisors (see below), whose sum is σ = 17326212480. Its totient is φ = 7796794752.

The previous prime is 12002011097. The next prime is 12002011157. The reversal of 12002011105 is 50111020021.

It is a cyclic number.

It is not a de Polignac number, because 12002011105 - 23 = 12002011097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9023404 + ... + 9024733.

It is an arithmetic number, because the mean of its divisors is an integer number (1082888280).

Almost surely, 212002011105 is an apocalyptic number.

It is an amenable number.

12002011105 is a deficient number, since it is larger than the sum of its proper divisors (5324201375).

12002011105 is a wasteful number, since it uses less digits than its factorization.

12002011105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18048168.

The product of its (nonzero) digits is 20, while the sum is 13.

Adding to 12002011105 its reverse (50111020021), we get a palindrome (62113031126).

The spelling of 12002011105 in words is "twelve billion, two million, eleven thousand, one hundred five".

Divisors: 1 5 7 19 35 95 133 665 18048137 90240685 126336959 342914603 631684795 1714573015 2400402221 12002011105