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12122000002020 = 2235474298581561
BaseRepresentation
bin1011000001100101111110…
…0000010000101111100100
31120220212000000121100021210
42300121133200100233210
53042101324000031040
641440434145311420
72360533313635416
oct260313740205744
946825000540253
1012122000002020
113953a02a88057
1214393a9335570
1369c13b0521ac
142dc9ca7c09b6
151604c3789480
hexb065f810be4

12122000002020 has 48 divisors (see below), whose sum is σ = 34663761715968. Its totient is φ = 3163756028160.

The previous prime is 12122000002009. The next prime is 12122000002043. The reversal of 12122000002020 is 2020000022121.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 12122000001987 and 12122000002005.

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, 2149287961 + ... + 2149293600.

It is an arithmetic number, because the mean of its divisors is an integer number (722161702416).

Almost surely, 212122000002020 is an apocalyptic number.

12122000002020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122000002020 is an abundant number, since it is smaller than the sum of its proper divisors (22541761713948).

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

12122000002020 is a wasteful number, since it uses less digits than its factorization.

12122000002020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4298581620 (or 4298581618 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

Adding to 12122000002020 its reverse (2020000022121), we get a palindrome (14142000024141).

The spelling of 12122000002020 in words is "twelve trillion, one hundred twenty-two billion, two thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 47 60 94 141 188 235 282 470 564 705 940 1410 2820 4298581561 8597163122 12895744683 17194326244 21492907805 25791489366 42985815610 51582978732 64478723415 85971631220 128957446830 202033333367 257914893660 404066666734 606100000101 808133333468 1010166666835 1212200000202 2020333333670 2424400000404 3030500000505 4040666667340 6061000001010 12122000002020