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12011001112011 = 3111923171892551
BaseRepresentation
bin1010111011001000011101…
…1101000110010111001011
31120112020111022121111102110
42232302013131012113023
53033242012241041021
641313435554033403
72346523542636246
oct256620735062713
946466438544373
1012011001112011
113910923002110
12141b98bb78863
1369182b916415
142d749aa9c25d
1515c678b2e476
hexaec877465cb

12011001112011 has 16 divisors (see below), whose sum is σ = 17470647145728. Its totient is φ = 7279352916000.

The previous prime is 12011001111979. The next prime is 12011001112067. The reversal of 12011001112011 is 11021110011021.

It is not a de Polignac number, because 12011001112011 - 25 = 12011001111979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12011001112091) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5400186 + ... + 7292736.

It is an arithmetic number, because the mean of its divisors is an integer number (1091915446608).

Almost surely, 212011001112011 is an apocalyptic number.

12011001112011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12011001112011 is a deficient number, since it is larger than the sum of its proper divisors (5459646033717).

12011001112011 is a wasteful number, since it uses less digits than its factorization.

12011001112011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084882.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 12011001112011 its reverse (11021110011021), we get a palindrome (23032111123032).

The spelling of 12011001112011 in words is "twelve trillion, eleven billion, one million, one hundred twelve thousand, eleven".

Divisors: 1 3 11 33 192317 576951 1892551 2115487 5677653 6346461 20818061 62454183 363969730667 1091909192001 4003667037337 12011001112011