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12220320120 = 2335175990353
BaseRepresentation
bin10110110000110001…
…10100100101111000
31011112122200120201220
423120120310211320
5200011400220440
65340335512040
7611555002311
oct133030644570
934478616656
1012220320120
115201063418
122450688620
1311c99b4b68
1483cdad608
154b7c908d0
hex2d8634978

12220320120 has 64 divisors (see below), whose sum is σ = 38817493920. Its totient is φ = 3067060224.

The previous prime is 12220320089. The next prime is 12220320131. The reversal of 12220320120 is 2102302221.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12220320120.

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, 2993137 + ... + 2997216.

Almost surely, 212220320120 is an apocalyptic number.

12220320120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220320120 is an abundant number, since it is smaller than the sum of its proper divisors (26597173800).

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

12220320120 is a wasteful number, since it uses less digits than its factorization.

12220320120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5990384 (or 5990380 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 12220320120 its reverse (2102302221), we get a palindrome (14322622341).

The spelling of 12220320120 in words is "twelve billion, two hundred twenty million, three hundred twenty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 17 20 24 30 34 40 51 60 68 85 102 120 136 170 204 255 340 408 510 680 1020 2040 5990353 11980706 17971059 23961412 29951765 35942118 47922824 59903530 71884236 89855295 101836001 119807060 143768472 179710590 203672002 239614120 305508003 359421180 407344004 509180005 611016006 718842360 814688008 1018360010 1222032012 1527540015 2036720020 2444064024 3055080030 4073440040 6110160060 12220320120