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12212120120000 = 2654556354881
BaseRepresentation
bin1011000110110101101100…
…0101001110101011000000
31121020110121122111200022012
42301231123011032223000
53100040410222320000
641550100500232052
72400203502204233
oct261553305165300
947213548450265
1012212120120000
1139891494905a9
12145295a39b628
136a77a0a0cca8
143030d962941a
151629ea441735
hexb1b5b14eac0

12212120120000 has 140 divisors (see below), whose sum is σ = 30288084316776. Its totient is φ = 4883880960000.

The previous prime is 12212120119897. The next prime is 12212120120033. The reversal of 12212120120000 is 2102121221.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 222492560 + ... + 222547440.

Almost surely, 212212120120000 is an apocalyptic number.

12212120120000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12212120120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15144042158388).

12212120120000 is an abundant number, since it is smaller than the sum of its proper divisors (18075964196776).

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

12212120120000 is an frugal number, since it uses more digits than its factorization.

12212120120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60476 (or 60451 counting only the distinct ones).

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

Adding to 12212120120000 its reverse (2102121221), we get a palindrome (12214222241221).

The spelling of 12212120120000 in words is "twelve trillion, two hundred twelve billion, one hundred twenty million, one hundred twenty thousand".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 125 160 200 250 320 400 500 625 800 1000 1250 1600 2000 2500 4000 5000 5563 8000 10000 11126 20000 22252 27815 40000 44504 54881 55630 89008 109762 111260 139075 178016 219524 222520 274405 278150 356032 439048 445040 548810 556300 695375 878096 890080 1097620 1112600 1372025 1390750 1756192 1780160 2195240 2225200 2744050 2781500 3476875 3512384 4390480 4450400 5488100 5563000 6860125 6953750 8780960 8900800 10976200 11126000 13720250 13907500 17561920 21952400 22252000 27440500 27815000 34300625 43904800 44504000 54881000 55630000 68601250 87809600 109762000 111260000 137202500 219524000 222520000 274405000 305303003 439048000 548810000 610606006 1097620000 1221212012 1526515015 2195240000 2442424024 3053030030 4884848048 6106060060 7632575075 9769696096 12212120120 15265150150 19539392192 24424240240 30530300300 38162875375 48848480480 61060600600 76325750750 97696960960 122121201200 152651501500 190814376875 244242402400 305303003000 381628753750 488484804800 610606006000 763257507500 1221212012000 1526515015000 2442424024000 3053030030000 6106060060000 12212120120000