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2122001212000 = 25533117112913
BaseRepresentation
bin11110111000010001001…
…000001110001001100000
321111212020220122120020111
4132320101020032021200
5234231324302241000
64302500042221104
7306211111460545
oct36702110161140
97455226576214
102122001212000
11748a3240011a
122a3311ab4794
1312514722b647
14749c38c8bcc
153a2e89d4cba
hex1ee1120e260

2122001212000 has 96 divisors (see below), whose sum is σ = 5381943001344. Its totient is φ = 821419776000.

The previous prime is 2122001211997. The next prime is 2122001212057. The reversal of 2122001212000 is 2121002212.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8432457 + ... + 8680456.

It is an arithmetic number, because the mean of its divisors is an integer number (56061906264).

Almost surely, 22122001212000 is an apocalyptic number.

2122001212000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2122001212000 is an abundant number, since it is smaller than the sum of its proper divisors (3259941789344).

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

2122001212000 is a wasteful number, since it uses less digits than its factorization.

2122001212000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17112969 (or 17112951 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 2122001212000 its reverse (2121002212), we get a palindrome (2124122214212).

The spelling of 2122001212000 in words is "two trillion, one hundred twenty-two billion, one million, two hundred twelve thousand".

Divisors: 1 2 4 5 8 10 16 20 25 31 32 40 50 62 80 100 124 125 155 160 200 248 250 310 400 496 500 620 775 800 992 1000 1240 1550 2000 2480 3100 3875 4000 4960 6200 7750 12400 15500 24800 31000 62000 124000 17112913 34225826 68451652 85564565 136903304 171129130 273806608 342258260 427822825 530500303 547613216 684516520 855645650 1061000606 1369033040 1711291300 2122001212 2139114125 2652501515 2738066080 3422582600 4244002424 4278228250 5305003030 6845165200 8488004848 8556456500 10610006060 13262507575 13690330400 16976009696 17112913000 21220012120 26525015150 34225826000 42440024240 53050030300 66312537875 68451652000 84880048480 106100060600 132625075750 212200121200 265250151500 424400242400 530500303000 1061000606000 2122001212000