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120221210001212 = 22531035505642517
BaseRepresentation
bin11011010101011100101110…
…100001000011111100111100
3120202200000221211102102022022
4123111130232201003330330
5111224201014230014322
61103404510022535312
734215460441156325
oct3325345641037474
9522600854372268
10120221210001212
113534058a981231
1211597813b97538
135210a71a0a208
142198a4800b44c
15dd7369ba9942
hex6d572e843f3c

120221210001212 has 24 divisors (see below), whose sum is σ = 216437818667616. Its totient is φ = 58403855809728.

The previous prime is 120221210001133. The next prime is 120221210001253. The reversal of 120221210001212 is 212100012122021.

It is a congruent number.

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, 2752799423 + ... + 2752843094.

It is an arithmetic number, because the mean of its divisors is an integer number (9018242444484).

Almost surely, 2120221210001212 is an apocalyptic number.

It is an amenable number.

120221210001212 is a deficient number, since it is larger than the sum of its proper divisors (96216608666404).

120221210001212 is a wasteful number, since it uses less digits than its factorization.

120221210001212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5505642677 (or 5505642675 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 120221210001212 its reverse (212100012122021), we get a palindrome (332321222123233).

The spelling of 120221210001212 in words is "one hundred twenty trillion, two hundred twenty-one billion, two hundred ten million, one thousand, two hundred twelve".

Divisors: 1 2 4 53 103 106 206 212 412 5459 10918 21836 5505642517 11011285034 22022570068 291799053401 567081179251 583598106802 1134162358502 1167196213604 2268324717004 30055302500303 60110605000606 120221210001212