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122310222013221 = 31121923725225931
BaseRepresentation
bin11011110011110110010001…
…010101011110001100100101
3121001001202001200001222122220
4123303312101111132030211
5112012412313313410341
61112044312412142553
734522423215246444
oct3363662125361445
9531052050058586
10122310222013221
1135a76523784100
1211874659a67a59
135332a5c4a0c78
14222bbbc496d5b
15e21882406a66
hex6f3d9155e325

122310222013221 has 72 divisors (see below), whose sum is σ = 194297595139872. Its totient is φ = 68327963035200.

The previous prime is 122310222013127. The next prime is 122310222013237.

122310222013221 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 122310222013221 - 213 = 122310222005029 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122310222013191 and 122310222013200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122310222013241) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7764375 + ... + 17461556.

It is an arithmetic number, because the mean of its divisors is an integer number (2698577710276).

Almost surely, 2122310222013221 is an apocalyptic number.

122310222013221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

122310222013221 is a deficient number, since it is larger than the sum of its proper divisors (71987373126651).

122310222013221 is a wasteful number, since it uses less digits than its factorization.

122310222013221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25226031 (or 25226001 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The spelling of 122310222013221 in words is "one hundred twenty-two trillion, three hundred ten billion, two hundred twenty-two million, thirteen thousand, two hundred twenty-one".

Divisors: 1 3 11 19 33 37 57 111 121 209 361 363 407 627 703 1083 1221 2109 2299 3971 4477 6897 7733 11913 13357 13431 23199 40071 43681 85063 131043 146927 255189 440781 1616197 4848591 25225931 75677793 277485241 479292689 832455723 933359447 1437878067 2800078341 3052337651 5272219579 9106561091 9157012953 10266953917 15816658737 17733829493 27319683273 30800861751 53201488479 57994415369 100172172001 112936493087 173983246107 195072124423 300516516003 336942760367 338809479261 585216373269 1010828281101 1101893892011 2145793368653 3305681676033 3706370364037 6437380105959 11119111092111 40770074004407 122310222013221