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12011112211011 = 324499163423163
BaseRepresentation
bin1010111011001000111000…
…0100111010001001000011
31120112020210001122220121020
42232302032010322021003
53033242224211223021
641313455003200523
72346526362156114
oct256621604721103
946466701586536
1012011112211011
11391097a794471
12141ba01216143
13691848944a84
142d74ab73c20b
1515c6837777c6
hexaec8e13a243

12011112211011 has 8 divisors (see below), whose sum is σ = 16015470072000. Its totient is φ = 8007081245352.

The previous prime is 12011112210997. The next prime is 12011112211019. The reversal of 12011112211011 is 11011221111021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12011112211011 - 221 = 12011110113859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12011112211019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81638085 + ... + 81785078.

It is an arithmetic number, because the mean of its divisors is an integer number (2001933759000).

Almost surely, 212011112211011 is an apocalyptic number.

12011112211011 is a deficient number, since it is larger than the sum of its proper divisors (4004357860989).

12011112211011 is a wasteful number, since it uses less digits than its factorization.

12011112211011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163447665.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12011112211011 its reverse (11011221111021), we get a palindrome (23022333322032).

The spelling of 12011112211011 in words is "twelve trillion, eleven billion, one hundred twelve million, two hundred eleven thousand, eleven".

Divisors: 1 3 24499 73497 163423163 490269489 4003704070337 12011112211011