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12122022012020 = 22519750311875153
BaseRepresentation
bin1011000001100110000011…
…0100001110010001110100
31120220212001120000120022222
42300121200310032101310
53042101400113341040
641440440253141512
72360534002005464
oct260314064162164
946825046016288
1012122022012020
113953a14450538
1214393b478a898
1369c14278a46b
142dc9cd6adba4
151604c5685bb5
hexb0660d0e474

12122022012020 has 96 divisors (see below), whose sum is σ = 25662908291328. Its totient is φ = 4809615060992.

The previous prime is 12122022011989. The next prime is 12122022012047. The reversal of 12122022012020 is 2021022022121.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 12122022012020.

It is a congruent number.

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, 2352417764 + ... + 2352422916.

It is an arithmetic number, because the mean of its divisors is an integer number (267321961368).

Almost surely, 212122022012020 is an apocalyptic number.

12122022012020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12122022012020 is an abundant number, since it is smaller than the sum of its proper divisors (13540886279308).

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

12122022012020 is a wasteful number, since it uses less digits than its factorization.

12122022012020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7049 (or 7047 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 12122022012020 its reverse (2021022022121), we get a palindrome (14143044034141).

The spelling of 12122022012020 in words is "twelve trillion, one hundred twenty-two billion, twenty-two million, twelve thousand, twenty".

Divisors: 1 2 4 5 10 20 197 394 503 788 985 1006 1187 1970 2012 2374 2515 3940 4748 5030 5153 5935 10060 10306 11870 20612 23740 25765 51530 99091 103060 198182 233839 396364 467678 495455 597061 935356 990910 1015141 1169195 1194122 1981820 2030282 2338390 2388244 2591959 2985305 4060564 4676780 5075705 5183918 5970610 6116611 10151410 10367836 11941220 12233222 12959795 20302820 24466444 25919590 30583055 51839180 61166110 117621017 122332220 235242034 470484068 510615923 588105085 1021231846 1176210170 1204972367 2042463692 2352420340 2409944734 2553079615 3076655333 4819889468 5106159230 6024861835 6153310666 10212318460 12049723670 12306621332 15383276665 24099447340 30766553330 61533106660 606101100601 1212202201202 2424404402404 3030505503005 6061011006010 12122022012020