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12201212221102 = 2231611231646219
BaseRepresentation
bin1011000110001101000011…
…1010111001011010101110
31121012102110110101000000201
42301203100322321122232
53044401040312033402
641541054242144114
72366336261454562
oct261432072713256
947172413330021
1012201212221102
113984561239723
12145081535203a
136a6752bc1a48
14302782a916a2
151625ac9e6687
hexb18d0eb96ae

12201212221102 has 16 divisors (see below), whose sum is σ = 19097679692160. Its totient is φ = 5835322605112.

The previous prime is 12201212221039. The next prime is 12201212221117. The reversal of 12201212221102 is 20112221210221.

It is a self number, because there is not a number n which added to its sum of digits gives 12201212221102.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 6588549 + ... + 8234767.

It is an arithmetic number, because the mean of its divisors is an integer number (1193604980760).

Almost surely, 212201212221102 is an apocalyptic number.

12201212221102 is a deficient number, since it is larger than the sum of its proper divisors (6896467471058).

12201212221102 is a wasteful number, since it uses less digits than its factorization.

12201212221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807367.

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

Adding to 12201212221102 its reverse (20112221210221), we get a palindrome (32313433431323).

The spelling of 12201212221102 in words is "twelve trillion, two hundred one billion, two hundred twelve million, two hundred twenty-one thousand, one hundred two".

Divisors: 1 2 23 46 161123 322246 1646219 3292438 3705829 7411658 37863037 75726074 265243743937 530487487874 6100606110551 12201212221102