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122114011220 = 225179117129129
BaseRepresentation
bin111000110111010001…
…1111111000001010100
3102200012100001111201022
41301232203333001110
54000042141324340
6132033131020312
711552045653265
oct1615643770124
9380170044638
10122114011220
11478741a3033
121b7bb89a698
13b69116c796
145ca5ddc96c
15329a8893b5
hex1c6e8ff054

122114011220 has 48 divisors (see below), whose sum is σ = 258101121600. Its totient is φ = 48529578240.

The previous prime is 122114011189. The next prime is 122114011223. The reversal of 122114011220 is 22110411221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122114011223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4177616 + ... + 4206744.

It is an arithmetic number, because the mean of its divisors is an integer number (5377106700).

Almost surely, 2122114011220 is an apocalyptic number.

122114011220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122114011220 is an abundant number, since it is smaller than the sum of its proper divisors (135987110380).

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

122114011220 is a wasteful number, since it uses less digits than its factorization.

122114011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30488 (or 30486 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 122114011220 its reverse (22110411221), we get a palindrome (144224422441).

The spelling of 122114011220 in words is "one hundred twenty-two billion, one hundred fourteen million, eleven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 179 358 716 895 1171 1790 2342 3580 4684 5855 11710 23420 29129 58258 116516 145645 209609 291290 419218 582580 838436 1048045 2096090 4192180 5214091 10428182 20856364 26070455 34110059 52140910 68220118 104281820 136440236 170550295 341100590 682201180 6105700561 12211401122 24422802244 30528502805 61057005610 122114011220