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120112221211020 = 223254409151347271
BaseRepresentation
bin11011010011110111001110…
…010001110100100110001100
3120202021121122012210020000100
4123103313032101310212030
5111220404312112223040
61103242443114531100
734204551545555403
oct3323671621644614
9522247565706010
10120112221211020
11352a9341611005
121157a677a36a90
1352036c2b7390c
14219366925263a
15dd45db759b30
hex6d3dce47498c

120112221211020 has 72 divisors (see below), whose sum is σ = 364423042357920. Its totient is φ = 32022660775680.

The previous prime is 120112221211013. The next prime is 120112221211253. The reversal of 120112221211020 is 20112122211021.

120112221211020 is a `hidden beast` number, since 1 + 201 + 12 + 221 + 211 + 0 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 120112221210984 and 120112221211002.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 74880016 + ... + 76467255.

It is an arithmetic number, because the mean of its divisors is an integer number (5061431143860).

Almost surely, 2120112221211020 is an apocalyptic number.

120112221211020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120112221211020 is an abundant number, since it is smaller than the sum of its proper divisors (244310821146900).

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

120112221211020 is a wasteful number, since it uses less digits than its factorization.

120112221211020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151351695 (or 151351690 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 120112221211020 its reverse (20112122211021), we get a palindrome (140224343422041).

It can be divided in two parts, 1201 and 12221211020, that added together give a palindrome (12221212221).

The spelling of 120112221211020 in words is "one hundred twenty trillion, one hundred twelve billion, two hundred twenty-one million, two hundred eleven thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 4409 8818 13227 17636 22045 26454 39681 44090 52908 66135 79362 88180 132270 158724 198405 264540 396810 793620 151347271 302694542 454041813 605389084 756736355 908083626 1362125439 1513472710 1816167252 2270209065 2724250878 3026945420 4540418130 5448501756 6810627195 9080836260 13621254390 27242508780 667290117839 1334580235678 2001870353517 2669160471356 3336450589195 4003740707034 6005611060551 6672901178390 8007481414068 10009351767585 12011222121102 13345802356780 20018703535170 24022444242204 30028055302755 40037407070340 60056110605510 120112221211020