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122222020012 = 22139767328649
BaseRepresentation
bin111000111010100000…
…0000000010110101100
3102200110212021220220221
41301311000000112230
54000302314120022
6132051550021124
711554530012601
oct1616500002654
9380425256827
10122222020012
114791a1646a4
121b82baa77a4
13b6aa658701
145cb64b66a8
1532a50c1cc7
hex1c750005ac

122222020012 has 24 divisors (see below), whose sum is σ = 215462898000. Its totient is φ = 60661337856.

The previous prime is 122222020009. The next prime is 122222020027. The reversal of 122222020012 is 210020222221.

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, 4251864 + ... + 4280512.

It is an arithmetic number, because the mean of its divisors is an integer number (8977620750).

Almost surely, 2122222020012 is an apocalyptic number.

It is an amenable number.

122222020012 is a deficient number, since it is larger than the sum of its proper divisors (93240877988).

122222020012 is a wasteful number, since it uses less digits than its factorization.

122222020012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36465 (or 36463 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 122222020012 its reverse (210020222221), we get a palindrome (332242242233).

The spelling of 122222020012 in words is "one hundred twenty-two billion, two hundred twenty-two million, twenty thousand, twelve".

Divisors: 1 2 4 139 278 556 7673 15346 28649 30692 57298 114596 1066547 2133094 3982211 4266188 7964422 15928844 219823777 439647554 879295108 30555505003 61111010006 122222020012