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12211200120112 = 247178361148947
BaseRepresentation
bin1011000110110010010000…
…1111101101010100110000
31121020101020112100211201021
42301230210033231110300
53100032014212320422
641545425313345224
72400141631266640
oct261544417552460
947211215324637
1012211200120112
113988817139014
121452742268214
136a7685233266
1430304d384520
151629947b3dc7
hexb1b243ed530

12211200120112 has 40 divisors (see below), whose sum is σ = 27054251361536. Its totient is φ = 5230436245056.

The previous prime is 12211200120043. The next prime is 12211200120127. The reversal of 12211200120112 is 21102100211221.

It is a super-2 number, since 2×122112001201122 (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (16).

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, 30374778 + ... + 30774169.

Almost surely, 212211200120112 is an apocalyptic number.

It is an amenable number.

12211200120112 is an abundant number, since it is smaller than the sum of its proper divisors (14843051241424).

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

12211200120112 is a wasteful number, since it uses less digits than its factorization.

12211200120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61150745 (or 61150739 counting only the distinct ones).

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

Adding to 12211200120112 its reverse (21102100211221), we get a palindrome (33313300331333).

The spelling of 12211200120112 in words is "twelve trillion, two hundred eleven billion, two hundred million, one hundred twenty thousand, one hundred twelve".

Divisors: 1 2 4 7 8 14 16 28 56 112 1783 3566 7132 12481 14264 24962 28528 49924 99848 199696 61148947 122297894 244595788 428042629 489191576 856085258 978383152 1712170516 3424341032 6848682064 109028572501 218057145002 436114290004 763200007507 872228580008 1526400015014 1744457160016 3052800030028 6105600060056 12211200120112