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120022212211220 = 22511678142619553
BaseRepresentation
bin11011010010100011011001…
…010100101111001000010100
3120201222000022022222021111002
4123102203121110233020110
5111212420442311224340
61103133235413402432
734165214206646354
oct3322433124571024
9521860268867432
10120022212211220
1135274152903270
1211565138039418
1351c807a220117
14218d16b090b64
15dd20be701715
hex6d28d952f214

120022212211220 has 48 divisors (see below), whose sum is σ = 279063857354688. Its totient is φ = 42993031234560.

The previous prime is 120022212211199. The next prime is 120022212211259. The reversal of 120022212211220 is 22112212220021.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 120022212211192 and 120022212211201.

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, 4071295037 + ... + 4071324516.

It is an arithmetic number, because the mean of its divisors is an integer number (5813830361556).

Almost surely, 2120022212211220 is an apocalyptic number.

120022212211220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120022212211220 is an abundant number, since it is smaller than the sum of its proper divisors (159041645143468).

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

120022212211220 is a wasteful number, since it uses less digits than its factorization.

120022212211220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8142619640 (or 8142619638 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 120022212211220 its reverse (22112212220021), we get a palindrome (142134424431241).

The spelling of 120022212211220 in words is "one hundred twenty trillion, twenty-two billion, two hundred twelve million, two hundred eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 67 110 134 220 268 335 670 737 1340 1474 2948 3685 7370 14740 8142619553 16285239106 32570478212 40713097765 81426195530 89568815083 162852391060 179137630166 358275260332 447844075415 545555510051 895688150830 1091111020102 1791376301660 2182222040204 2727777550255 5455555100510 6001110610561 10911110201020 12002221221122 24004442442244 30005553052805 60011106105610 120022212211220