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120222112212220 = 22517383923223101
BaseRepresentation
bin11011010101011101100100…
…010010101110010011111100
3120202200010021201002111010211
4123111131210102232103330
5111224204341211242340
61103405135332242204
734215522004634164
oct3325354422562374
9522603251074124
10120222112212220
1135340a03183767
1211597a26170364
135210b868c9095
142198ad1b815a4
15dd73bdec15ea
hex6d57644ae4fc

120222112212220 has 48 divisors (see below), whose sum is σ = 268015359403008. Its totient is φ = 45141916697600.

The previous prime is 120222112212077. The next prime is 120222112212287. The reversal of 120222112212220 is 22212211222021.

It is a junction number, because it is equal to n+sod(n) for n = 120222112212191 and 120222112212200.

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, 461481331 + ... + 461741770.

It is an arithmetic number, because the mean of its divisors is an integer number (5583653320896).

Almost surely, 2120222112212220 is an apocalyptic number.

120222112212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120222112212220 is an abundant number, since it is smaller than the sum of its proper divisors (147793247190788).

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

120222112212220 is a wasteful number, since it uses less digits than its factorization.

120222112212220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923223510 (or 923223508 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 120222112212220 its reverse (22212211222021), we get a palindrome (142434323434241).

The spelling of 120222112212220 in words is "one hundred twenty trillion, two hundred twenty-two billion, one hundred twelve million, two hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 340 383 766 1532 1915 3830 6511 7660 13022 26044 32555 65110 130220 923223101 1846446202 3692892404 4616115505 9232231010 15694792717 18464462020 31389585434 62779170868 78473963585 156947927170 313895854340 353594447683 707188895366 1414377790732 1767972238415 3535944476830 6011105610611 7071888953660 12022211221222 24044422442444 30055528053055 60111056106110 120222112212220