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12201202222111 = 78956269348053
BaseRepresentation
bin1011000110001101000001…
…0100110000010000011111
31121012102102202112222222201
42301203100110300100133
53044401030232101421
641541053243552331
72366336110461160
oct261432024602037
947172382488881
1012201202222111
11398455662a2a1
121450811b2b6a7
136a6750b00796
1430278160b767
151625abbbdb91
hexb18d053041f

12201202222111 has 16 divisors (see below), whose sum is σ = 14101198977600. Its totient is φ = 10340452286208.

The previous prime is 12201202222081. The next prime is 12201202222127. The reversal of 12201202222111 is 11122220210221.

It is a cyclic number.

It is not a de Polignac number, because 12201202222111 - 27 = 12201202221983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12201202225111) 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, 34881561 + ... + 35229613.

It is an arithmetic number, because the mean of its divisors is an integer number (881324936100).

Almost surely, 212201202222111 is an apocalyptic number.

12201202222111 is a deficient number, since it is larger than the sum of its proper divisors (1899996755489).

12201202222111 is an equidigital number, since it uses as much as digits as its factorization.

12201202222111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404418.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12201202222111 its reverse (11122220210221), we get a palindrome (23323422432332).

The spelling of 12201202222111 in words is "twelve trillion, two hundred one billion, two hundred two million, two hundred twenty-two thousand, one hundred eleven".

Divisors: 1 7 89 623 56269 348053 393883 2436371 5007941 30976717 35055587 216837019 19584594257 137092159799 1743028888873 12201202222111