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12122020120120 = 2354136343203381
BaseRepresentation
bin1011000001100110000010…
…1101000000011000111000
31120220212001102110110010121
42300121200231000120320
53042101344122320440
641440440144423024
72360533646635651
oct260314055003070
946825042413117
1012122020120120
113953a13379089
1214393b4017a74
1369c1422772b1
142dc9cd33a528
151604c541034a
hexb0660b40638

12122020120120 has 64 divisors (see below), whose sum is σ = 27940684242240. Its totient is φ = 4730391014400.

The previous prime is 12122020120043. The next prime is 12122020120141. The reversal of 12122020120120 is 2102102022121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12122020120094 and 12122020120103.

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, 59500830 + ... + 59704210.

It is an arithmetic number, because the mean of its divisors is an integer number (436573191285).

Almost surely, 212122020120120 is an apocalyptic number.

12122020120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122020120120 is an abundant number, since it is smaller than the sum of its proper divisors (15818664122120).

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

12122020120120 is a wasteful number, since it uses less digits than its factorization.

12122020120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239776 (or 239772 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12122020120120 its reverse (2102102022121), we get a palindrome (14224122142241).

The spelling of 12122020120120 in words is "twelve trillion, one hundred twenty-two billion, twenty million, one hundred twenty thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 41 82 164 205 328 410 820 1640 36343 72686 145372 181715 203381 290744 363430 406762 726860 813524 1016905 1453720 1490063 1627048 2033810 2980126 4067620 5960252 7450315 8135240 8338621 11920504 14900630 16677242 29801260 33354484 41693105 59602520 66708968 83386210 166772420 333544840 7391475683 14782951366 29565902732 36957378415 59131805464 73914756830 147829513660 295659027320 303050503003 606101006006 1212202012012 1515252515015 2424404024024 3030505030030 6061010060060 12122020120120