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120012221222010 = 232513102574548053
BaseRepresentation
bin11011010010011010000101…
…110100001000110001111010
3120201221001112001011102211200
4123102122011310020301322
5111212240012113101020
61103124504152035030
734164411501644055
oct3322320564106172
9521831461142750
10120012221222010
113526a996193197
121156320a092a76
1351c71473691a0
14218c8a01d5a9c
15dd1bd7523590
hex6d2685d08c7a

120012221222010 has 48 divisors (see below), whose sum is σ = 336034219424904. Its totient is φ = 29541469838976.

The previous prime is 120012221221927. The next prime is 120012221222051. The reversal of 120012221222010 is 10222122210021.

It is a happy number.

120012221222010 is a `hidden beast` number, since 1 + 200 + 1 + 22 + 212 + 220 + 10 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 107183925703089 + 12828295518921 = 10352967^2 + 3581661^2 .

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

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, 51287272857 + ... + 51287275196.

Almost surely, 2120012221222010 is an apocalyptic number.

120012221222010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120012221222010 is an abundant number, since it is smaller than the sum of its proper divisors (216021998202894).

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

120012221222010 is a wasteful number, since it uses less digits than its factorization.

120012221222010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102574548079 (or 102574548076 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 120012221222010 its reverse (10222122210021), we get a palindrome (130234343432031).

The spelling of 120012221222010 in words is "one hundred twenty trillion, twelve billion, two hundred twenty-one million, two hundred twenty-two thousand, ten".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 102574548053 205149096106 307723644159 512872740265 615447288318 923170932477 1025745480530 1333469124689 1538618220795 1846341864954 2666938249378 3077236441590 4000407374067 4615854662385 6667345623445 8000814748134 9231709324770 12001222122201 13334691246890 20002036870335 24002444244402 40004073740670 60006110611005 120012221222010