Search a number
-
+
120212220112220 = 225101952747111827
BaseRepresentation
bin11011010101010100010110…
…101011010110110101011100
3120202122011202022100201222202
4123111110112223112311130
5111224024111322042340
61103400422002231032
734215021610316405
oct3325242653266534
9522564668321882
10120212220112220
1135337797366605
1211595b25355478
13520cc6b38a182
1421984340a89ac
15dd6ee0828c15
hex6d5516ad6d5c

120212220112220 has 48 divisors (see below), whose sum is σ = 252700451256960. Its totient is φ = 48036359452224.

The previous prime is 120212220112177. The next prime is 120212220112241. The reversal of 120212220112220 is 22211022212021.

It is a super-3 number, since 3×1202122201122203 (a number of 43 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 120212220112192 and 120212220112201.

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, 1074927947 + ... + 1075039773.

It is an arithmetic number, because the mean of its divisors is an integer number (5264592734520).

Almost surely, 2120212220112220 is an apocalyptic number.

120212220112220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120212220112220 is an abundant number, since it is smaller than the sum of its proper divisors (132488231144740).

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

120212220112220 is a wasteful number, since it uses less digits than its factorization.

120212220112220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165602 (or 165600 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 120212220112220 its reverse (22211022212021), we get a palindrome (142423242324241).

The spelling of 120212220112220 in words is "one hundred twenty trillion, two hundred twelve billion, two hundred twenty million, one hundred twelve thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1019 2038 4076 5095 10190 20380 52747 105494 111827 210988 223654 263735 447308 527470 559135 1054940 1118270 2236540 53749193 107498386 113951713 214996772 227903426 268745965 455806852 537491930 569758565 1074983860 1139517130 2279034260 5898538769 11797077538 23594155076 29492693845 58985387690 117970775380 6010611005611 12021222011222 24042444022444 30053055028055 60106110056110 120212220112220