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10120212101220 = 223513109119033311
BaseRepresentation
bin1001001101000100101110…
…1001011011100001100100
31022211111000222111201111120
42103101023221123201210
52311302143244214340
633305054455333540
72063106201344514
oct223211351334144
938744028451446
1010120212101220
113251a59996a01
1211754466812b0
13585441275c70
1426db6c6c7844
151283b38434d0
hex9344ba5b864

10120212101220 has 96 divisors (see below), whose sum is σ = 30796298480640. Its totient is φ = 2468274716160.

The previous prime is 10120212101159. The next prime is 10120212101257. The reversal of 10120212101220 is 2210121202101.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 10120212101220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59431636 + ... + 59601675.

It is an arithmetic number, because the mean of its divisors is an integer number (320794775840).

Almost surely, 210120212101220 is an apocalyptic number.

10120212101220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10120212101220 is an abundant number, since it is smaller than the sum of its proper divisors (20676086379420).

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

10120212101220 is a wasteful number, since it uses less digits than its factorization.

10120212101220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119033445 (or 119033443 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 10120212101220 its reverse (2210121202101), we get a palindrome (12330333303321).

The spelling of 10120212101220 in words is "ten trillion, one hundred twenty billion, two hundred twelve million, one hundred one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 109 130 156 195 218 260 327 390 436 545 654 780 1090 1308 1417 1635 2180 2834 3270 4251 5668 6540 7085 8502 14170 17004 21255 28340 42510 85020 119033311 238066622 357099933 476133244 595166555 714199866 1190333110 1428399732 1547433043 1785499665 2380666220 3094866086 3570999330 4642299129 6189732172 7141998660 7737165215 9284598258 12974630899 15474330430 18569196516 23211495645 25949261798 30948660860 38923892697 46422991290 51898523596 64873154495 77847785394 92845982580 129746308990 155695570788 168670201687 194619463485 259492617980 337340403374 389238926970 506010605061 674680806748 778477853940 843351008435 1012021210122 1686702016870 2024042420244 2530053025305 3373404033740 5060106050610 10120212101220