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12202010121200 = 2452201715123959
BaseRepresentation
bin1011000110010000000001…
…1110101001001111110000
31121012111112001202112012012
42301210000132221033300
53044404204042334300
641541305344022052
72366365120504124
oct261440036511760
947174461675165
1012202010121200
113984930675899
1214509b8601928
136a684c2bab93
1430281aa31584
15162607aa6435
hexb19007a93f0

12202010121200 has 60 divisors (see below), whose sum is σ = 29329865380080. Its totient is φ = 4878383892480.

The previous prime is 12202010121061. The next prime is 12202010121211. The reversal of 12202010121200 is 212101020221.

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 11 ways as a sum of consecutive naturals, for example, 6755180 + ... + 8368779.

It is an arithmetic number, because the mean of its divisors is an integer number (488831089668).

Almost surely, 212202010121200 is an apocalyptic number.

12202010121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12202010121200 is an abundant number, since it is smaller than the sum of its proper divisors (17127855258880).

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

12202010121200 is a wasteful number, since it uses less digits than its factorization.

12202010121200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15125994 (or 15125983 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 12202010121200 its reverse (212101020221), we get a palindrome (12414111141421).

The spelling of 12202010121200 in words is "twelve trillion, two hundred two billion, ten million, one hundred twenty-one thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 2017 4034 8068 10085 16136 20170 32272 40340 50425 80680 100850 161360 201700 403400 806800 15123959 30247918 60495836 75619795 120991672 151239590 241983344 302479180 378098975 604958360 756197950 1209916720 1512395900 3024791800 6049583600 30505025303 61010050606 122020101212 152525126515 244040202424 305050253030 488080404848 610100506060 762625632575 1220201012120 1525251265150 2440402024240 3050502530300 6101005060600 12202010121200