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12011210221201 = 1512412089157999
BaseRepresentation
bin1010111011001001001111…
…1010110010011010010001
31120112021000220002100022021
42232302103322302122101
53033242424304034301
641313512424011441
72346531662223112
oct256622372623221
946467026070267
1012011210221201
113910a20046a24
12141ba2a000b81
1369186303c979
142d74ba772209
1515c68c1878a1
hexaec93eb2691

12011210221201 has 16 divisors (see below), whose sum is σ = 12146812480000. Its totient is φ = 11876393664000.

The previous prime is 12011210221193. The next prime is 12011210221271. The reversal of 12011210221201 is 10212201211021.

It is a cyclic number.

It is not a de Polignac number, because 12011210221201 - 23 = 12011210221193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12011210221271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75941800 + ... + 76099798.

It is an arithmetic number, because the mean of its divisors is an integer number (759175780000).

Almost surely, 212011210221201 is an apocalyptic number.

It is an amenable number.

12011210221201 is a deficient number, since it is larger than the sum of its proper divisors (135602258799).

12011210221201 is a wasteful number, since it uses less digits than its factorization.

12011210221201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160480.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 12011210221201 its reverse (10212201211021), we get a palindrome (22223411432222).

The spelling of 12011210221201 in words is "twelve trillion, eleven billion, two hundred ten million, two hundred twenty-one thousand, two hundred one".

Divisors: 1 151 241 2089 36391 157999 315439 503449 23857849 38077759 76020799 330059911 5749741609 49839046561 79544438551 12011210221201