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120221312230212 = 22335328380857467
BaseRepresentation
bin11011010101011100110100…
…100111000010001101000100
3120202200001012221210012010120
4123111130310213002031010
5111224201221412331322
61103404524114021540
734215463122124134
oct3325346447021504
9522601187705116
10120221312230212
1135340632655406
12115978422778b0
135210a89c5144b
142198a5781cac4
15dd7373b4ea5c
hex6d57349c2344

120221312230212 has 24 divisors (see below), whose sum is σ = 281311059222816. Its totient is φ = 39960247312128.

The previous prime is 120221312230207. The next prime is 120221312230273. The reversal of 120221312230212 is 212032213122021.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14190424498 + ... + 14190432969.

It is an arithmetic number, because the mean of its divisors is an integer number (11721294134284).

Almost surely, 2120221312230212 is an apocalyptic number.

120221312230212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

120221312230212 is an abundant number, since it is smaller than the sum of its proper divisors (161089746992604).

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

120221312230212 is a wasteful number, since it uses less digits than its factorization.

120221312230212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28380857827 (or 28380857825 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 120221312230212 its reverse (212032213122021), we get a palindrome (332253525352233).

The spelling of 120221312230212 in words is "one hundred twenty trillion, two hundred twenty-one billion, three hundred twelve million, two hundred thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 353 706 1059 1412 2118 4236 28380857467 56761714934 85142572401 113523429868 170285144802 340570289604 10018442685851 20036885371702 30055328057553 40073770743404 60110656115106 120221312230212