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12201212200111 = 113473811983857
BaseRepresentation
bin1011000110001101000011…
…1010110100010010101111
31121012102110110022221020021
42301203100322310102233
53044401040310400421
641541054241503011
72366336261336434
oct261432072642257
947172413287207
1012201212200111
113984561224980
121450815341a67
136a6752bb531c
14302782a87b8b
151625ac9e0341
hexb18d0eb44af

12201212200111 has 16 divisors (see below), whose sum is σ = 13349281224960. Its totient is φ = 11059623607680.

The previous prime is 12201212200109. The next prime is 12201212200129. The reversal of 12201212200111 is 11100221210221.

12201212200111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12201212200111 - 21 = 12201212200109 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 (12201212200141) 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, 145458295 + ... + 145542151.

It is an arithmetic number, because the mean of its divisors is an integer number (834330076560).

Almost surely, 212201212200111 is an apocalyptic number.

12201212200111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12201212200111 is a deficient number, since it is larger than the sum of its proper divisors (1148069024849).

12201212200111 is a wasteful number, since it uses less digits than its factorization.

12201212200111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122334.

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

Adding to 12201212200111 its reverse (11100221210221), we get a palindrome (23301433410332).

The spelling of 12201212200111 in words is "twelve trillion, two hundred one billion, two hundred twelve million, two hundred thousand, one hundred eleven".

Divisors: 1 11 347 3817 38119 83857 419309 922427 13227293 29098379 145500223 320082169 3196544983 35161994813 1109201109101 12201212200111