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12011101300231 = 111091918300021
BaseRepresentation
bin1010111011001000110101…
…1011010010011000000111
31120112020202022010120211021
42232302031123102120013
53033242213413101411
641313453533252011
72346526200344215
oct256621533223007
946466668116737
1012011101300231
113910974611aa0
12141b9b9634007
136918465c47a7
142d74aa0dbcb5
1515c68281ea71
hexaec8d6d2607

12011101300231 has 4 divisors (see below), whose sum is σ = 13103019600264. Its totient is φ = 10919183000200.

The previous prime is 12011101300199. The next prime is 12011101300313. The reversal of 12011101300231 is 13200310111021.

It is a happy number.

12011101300231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12011101300231 - 25 = 12011101300199 is a prime.

It is a super-2 number, since 2×120111013002312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12011101300531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 545959150000 + ... + 545959150021.

It is an arithmetic number, because the mean of its divisors is an integer number (3275754900066).

Almost surely, 212011101300231 is an apocalyptic number.

12011101300231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12011101300231 is a deficient number, since it is larger than the sum of its proper divisors (1091918300033).

12011101300231 is a wasteful number, since it uses less digits than its factorization.

12011101300231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1091918300032.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 12011101300231 its reverse (13200310111021), we get a palindrome (25211411411252).

The spelling of 12011101300231 in words is "twelve trillion, eleven billion, one hundred one million, three hundred thousand, two hundred thirty-one".

Divisors: 1 11 1091918300021 12011101300231