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12210111201112 = 2311249097557017
BaseRepresentation
bin1011000110101110001101…
…0101110011111101011000
31121020021102122101000122221
42301223203111303331120
53100022301431413422
641545125254153424
72400102636524656
oct261534325637530
947207378330587
1012210111201112
113988308502060
121452499652874
136a75407621a6
14302d888cbdd6
1516292ddbb3c7
hexb1ae3573f58

12210111201112 has 32 divisors (see below), whose sum is σ = 24975372557520. Its totient is φ = 5550018301440.

The previous prime is 12210111201107. The next prime is 12210111201139. The reversal of 12210111201112 is 21110211101221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21642028 + ... + 22199044.

Almost surely, 212210111201112 is an apocalyptic number.

It is an amenable number.

12210111201112 is an abundant number, since it is smaller than the sum of its proper divisors (12765261356408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12210111201112 is a wasteful number, since it uses less digits than its factorization.

12210111201112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 806131 (or 806127 counting only the distinct ones).

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

Adding to 12210111201112 its reverse (21110211101221), we get a palindrome (33320322302333).

The spelling of 12210111201112 in words is "twelve trillion, two hundred ten billion, one hundred eleven million, two hundred one thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 249097 498194 557017 996388 1114034 1992776 2228068 2740067 4456136 5480134 6127187 10960268 12254374 21920536 24508748 49017496 138751263649 277502527298 555005054596 1110010109192 1526263900139 3052527800278 6105055600556 12210111201112