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12200111212112 = 245940931598647
BaseRepresentation
bin1011000110001000111101…
…0010111000011001010000
31121012022121201121221121222
42301202033102320121100
53044341311432241422
641540353111504212
72366300062160045
oct261421722703120
947168551557558
1012200111212112
1139840467a533a
121450568688068
136a6608a79a35
143026ba76d1cc
15162546011842
hexb188f4b8650

12200111212112 has 40 divisors (see below), whose sum is σ = 24097128964800. Its totient is φ = 5982002871552.

The previous prime is 12200111212097. The next prime is 12200111212181. The reversal of 12200111212112 is 21121211100221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15413228 + ... + 16185419.

It is an arithmetic number, because the mean of its divisors is an integer number (602428224120).

Almost surely, 212200111212112 is an apocalyptic number.

It is an amenable number.

12200111212112 is a deficient number, since it is larger than the sum of its proper divisors (11897017752688).

12200111212112 is a wasteful number, since it uses less digits than its factorization.

12200111212112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31599123 (or 31599117 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12200111212112 its reverse (21121211100221), we get a palindrome (33321322312333).

The spelling of 12200111212112 in words is "twelve trillion, two hundred billion, one hundred eleven million, two hundred twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 16 59 118 236 409 472 818 944 1636 3272 6544 24131 48262 96524 193048 386096 31598647 63197294 126394588 252789176 505578352 1864320173 3728640346 7457280692 12923846623 14914561384 25847693246 29829122768 51695386492 103390772984 206781545968 762506950757 1525013901514 3050027803028 6100055606056 12200111212112