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122022121112 = 23199239320699
BaseRepresentation
bin111000110100100010…
…1011100111010011000
3102122221221011000011222
41301221011130322120
53444400130333422
6132020045311212
711546551626143
oct1615105347230
9378857130158
10122022121112
11478273406a1
121b794b65508
13b678108438
145c97b1d05a
153292787842
hex1c6915ce98

122022121112 has 32 divisors (see below), whose sum is σ = 230904000000. Its totient is φ = 60450290208.

The previous prime is 122022121097. The next prime is 122022121147. The reversal of 122022121112 is 211121220221.

It is a super-2 number, since 2×1220221211122 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 220139 + ... + 540837.

It is an arithmetic number, because the mean of its divisors is an integer number (7215750000).

Almost surely, 2122022121112 is an apocalyptic number.

It is an amenable number.

122022121112 is a deficient number, since it is larger than the sum of its proper divisors (108881878888).

122022121112 is a wasteful number, since it uses less digits than its factorization.

122022121112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321143 (or 321139 counting only the distinct ones).

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

Adding to 122022121112 its reverse (211121220221), we get a palindrome (333143341333).

The spelling of 122022121112 in words is "one hundred twenty-two billion, twenty-two million, one hundred twenty-one thousand, one hundred twelve".

Divisors: 1 2 4 8 199 239 398 478 796 956 1592 1912 47561 95122 190244 320699 380488 641398 1282796 2565592 63819101 76647061 127638202 153294122 255276404 306588244 510552808 613176488 15252765139 30505530278 61011060556 122022121112