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12011011011101 = 139277731116367
BaseRepresentation
bin1010111011001000100000…
…0010110111001000011101
31120112020112000020102102102
42232302020002313020131
53033242022304323401
641313440550134445
72346524023035464
oct256621002671035
946466460212372
1012011011011101
113910928653483
12141b993351425
136918309a107b
142d749c1179db
1515c67993756b
hexaec880b721d

12011011011101 has 8 divisors (see below), whose sum is σ = 12101777842560. Its totient is φ = 11920306418208.

The previous prime is 12011011011061. The next prime is 12011011011137. The reversal of 12011011011101 is 10111011011021.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 12011011011101 - 26 = 12011011011037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011011011191) 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, 15172181 + ... + 15944186.

It is an arithmetic number, because the mean of its divisors is an integer number (1512722230320).

Almost surely, 212011011011101 is an apocalyptic number.

It is an amenable number.

12011011011101 is a deficient number, since it is larger than the sum of its proper divisors (90766831459).

12011011011101 is a wasteful number, since it uses less digits than its factorization.

12011011011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31119283.

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 12011011011101 its reverse (10111011011021), we get a palindrome (22122022022122).

The spelling of 12011011011101 in words is "twelve trillion, eleven billion, eleven million, eleven thousand, one hundred one".

Divisors: 1 139 2777 386003 31116367 4325175013 86410151159 12011011011101