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122011023231020 = 225711372141295599
BaseRepresentation
bin11011101111011111100111…
…101100101100100000101100
3121000000010202222210001010002
4123233133213230230200230
5111443012033421343040
61111255031300003432
734462001616462050
oct3357374754544054
9530003688701102
10122011023231020
113597064787a680
1211826678990578
135310789660641
14221b517919c60
15e18bc0260a15
hex6ef7e7b2c82c

122011023231020 has 96 divisors (see below), whose sum is σ = 328080746649600. Its totient is φ = 37001587933440.

The previous prime is 122011023231017. The next prime is 122011023231037. The reversal of 122011023231020 is 20132320110221.

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 = 122011023230983 and 122011023231001.

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, 1070590820 + ... + 1070704779.

It is an arithmetic number, because the mean of its divisors is an integer number (3417507777600).

Almost surely, 2122011023231020 is an apocalyptic number.

122011023231020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122011023231020 is an abundant number, since it is smaller than the sum of its proper divisors (206069723418580).

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

122011023231020 is a wasteful number, since it uses less digits than its factorization.

122011023231020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141295663 (or 2141295661 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 122011023231020 its reverse (20132320110221), we get a palindrome (142143343341241).

The spelling of 122011023231020 in words is "one hundred twenty-two trillion, eleven billion, twenty-three million, two hundred thirty-one thousand, twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 35 37 44 55 70 74 77 110 140 148 154 185 220 259 308 370 385 407 518 740 770 814 1036 1295 1540 1628 2035 2590 2849 4070 5180 5698 8140 11396 14245 28490 56980 2141295599 4282591198 8565182396 10706477995 14989069193 21412955990 23554251589 29978138386 42825911980 47108503178 59956276772 74945345965 79227937163 94217006356 117771257945 149890691930 158455874326 164879761123 235542515890 299781383860 316911748652 329759522246 396139685815 471085031780 554595560141 659519044492 792279371630 824398805615 871507308793 1109191120282 1584558743260 1648797611230 1743014617586 2218382240564 2772977800705 3297595222460 3486029235172 4357536543965 5545955601410 6100551161551 8715073087930 11091911202820 12201102323102 17430146175860 24402204646204 30502755807755 61005511615510 122011023231020