Search a number
-
+
122202201221220 = 223512716037034281
BaseRepresentation
bin11011110010010001101010…
…110010110110100001100100
3121000200102020111220012020210
4123302101222302312201210
5112004130102003034340
61111522525523455420
734511550315542631
oct3362215262664144
9530612214805223
10122202201221220
1135a3473186a28a
1211857731b27570
13532580604b673
1422268920b9188
15e1db5de66180
hex6f246acb6864

122202201221220 has 48 divisors (see below), whose sum is σ = 344860385200128. Its totient is φ = 32330661108480.

The previous prime is 122202201221161. The next prime is 122202201221231. The reversal of 122202201221220 is 22122102202221.

It is a super-3 number, since 3×1222022012212203 (a number of 43 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8018509521 + ... + 8018524760.

It is an arithmetic number, because the mean of its divisors is an integer number (7184591358336).

Almost surely, 2122202201221220 is an apocalyptic number.

122202201221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122202201221220 is an abundant number, since it is smaller than the sum of its proper divisors (222658183978908).

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

122202201221220 is a wasteful number, since it uses less digits than its factorization.

122202201221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16037034420 (or 16037034418 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 122202201221220 its reverse (22122102202221), we get a palindrome (144324303423441).

The spelling of 122202201221220 in words is "one hundred twenty-two trillion, two hundred two billion, two hundred one million, two hundred twenty-one thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 127 254 381 508 635 762 1270 1524 1905 2540 3810 7620 16037034281 32074068562 48111102843 64148137124 80185171405 96222205686 160370342810 192444411372 240555514215 320740685620 481111028430 962222056860 2036703353687 4073406707374 6110110061061 8146813414748 10183516768435 12220220122122 20367033536870 24440440244244 30550550305305 40734067073740 61101100610610 122202201221220